The Sacramento Valley, the northern part of the Central Valley, spreads through 10 counties north of the Sacramento–San Joaquin River Delta (Delta). Sacramento is an important agricultural region, growing citrus, nuts and rice among many other crops.
Water flows from the Sierra Nevada Mountain Range to the region’s two major rivers — the Sacramento and American – and west into the Delta. Other rivers include the Cosumnes, which is the largest free-flowing river in the Central Valley, the lower Feather, Bear and Yuba.
The Sacramento Valley attracts more than 2 million ducks and geese each winter to its seasonal marshes along the Pacific Flyway. Species include northern pintails, snow geese, tundra swans, sandhill cranes, mallards, grebes, peregrine falcons, heron, egrets, and hawks.
In California, the amount of water exiting aquifers under the state’s most productive farming region far surpasses the amount of water trickling back in. That rampant overdraft … has ignited interest in replenishing aquifers in California’s Central Valley through managed flooding of the ground above them. But until now there has been no reliable way to know where this type of remedy will be most effective.
For centuries, the Delta was a dynamic and rich ecosystem of tidal wetlands, riparian forests, and vast seasonal floodplains. But about 98 percent of the native habitat disappeared after the Gold Rush and a population boom across the Golden State.
Despite a decades-long rescue effort, the tiny delta smelt appears closer than ever to vanishing from its only natural home, the Sacramento-San Joaquin Delta. Now, some worry it won’t be long before the only place the once-abundant species exists is within the confines of an artificial tank.
Frustration was evident, whether it was from a flooded homeowner or a government agency trying to explain its processes during Wednesday’s “listening session” regarding flooding in north Chico. … Despite the anger, there seemed to be some progress, whether it was the cleaning of Rock Creek west of Highway 99 by the Rock Creek Reclamation District, or more property owners funding efforts themselves. Lucero suggested that property owners could pay more into the existing county service areas set up for drainage maintenance.
A total of 300,000 salmon were released into the Sacramento River on Saturday. Half were dropped at their usual location at Coleman Fish Hatchery near Anderson in Shasta County, and the other half were released 75 miles downstream, at Scottys Landing on River Road near Chico. Surgeons fit the fish with tiny radio transmitters so they can more easily study their survival chances and homing instincts.
Residents in north Chico say they have never seen flooding like the deluge that came their way this year, and they want to know how to stop it. Storm water from Rock Creek and Keefer Slough surged into their backyards, front yards, and in some cases into their homes. It crept into orchards and overtook Highway 99, north of Chico and continued westward.
Eldorado Irrigation District staff said the proposed improvements and replacements are needed because the existing equipment does not allow selective temperature withdrawal at multiple elevations for the benefit of downstream fisheries. In addition the existing pumps and boosters have reached the end of their useful life, having undergone multiple repairs over the years.
Bruce Babbitt, the former Arizona governor and secretary of the Interior, has been a thoughtful, provocative and sometimes forceful voice in some of the most high-profile water conflicts over the last 40 years, including groundwater management in Arizona and the reduction of California’s take of the Colorado River. In 2016, former California Gov. Jerry Brown named Babbitt as a special adviser to work on matters relating to the Sacramento-San Joaquin Delta and the Delta tunnels plan.
Will hatchery-raised salmon have a better chance of surviving their journey to the Pacific Ocean and back if they get a 75-mile head start? That’s the question a three-year study hopes to answer for the U.S. Fish and Wildlife Service and four partner organizations. The plan Saturday is to release 180,000 salmon fry into the Sacramento River 75 miles downriver from the Coleman National Fish Hatchery.
Assemblyman Jim Frazier spoke out in frustration Wednesday when his bill to increase local representation on the Delta Stewardship Council died Tuesday in a committee hearing. Unable to get his bill past the Assembly Water, Parks and Wildlife Committee, Frazier blamed Southern California water special interests
The Anderson Cottonwood Irrigation District, or ACID, Canal was covered in tree debris after the snow and rain storms. The workload was enough that Congressman Doug Lamalfa called in the California Conservation Corps.
Administered by the National Park Service (NPS), NHAs are defined by NPS as a grassroots, community-driven approach to heritage conservation and economic development. They differ from national parks in several significant ways. Primarily, NPS does not take ownership of the land encompassed within an NHA and no land-use restrictions are placed upon landowners.
Specifically, the Feather River Recovery Alliance is asking FERC to not reissue a license to the state Department of Water Resources to operate the Oroville Dam until terms of the agreement are renegotiated, including a new recreation plan. The group says it received 6,469 local signatures on the petition.
Tehama and Butte counties teamed up Friday to host a Northern Sacramento Valley forum on sustainable groundwater held at Rolling Hills Casino. … The forum was a chance to look at neighboring agencies and see similarities and differences as well as how they are progressing in the planning, Fulton said. It was a place to connect with the agency in their area so they would know where to go if they had questions.
Sacramento County homeowners living in flood-prone areas may be eligible for a grant to elevate their houses above identified flood levels. The Federal Emergency Management Agency announced it will fund a $2.6 million flood mitigation grant, which could help dozens of homeowners in the county.
People living in flood-prone areas throughout Shasta County seemed to be breathing easier Friday after a long winter dealing with high water threats. For months, many have been watching the rivers and creeks around their homes, in case the waters started to rise. However, despite wet weather and increased water releases from Keswick Dam this week, the residents we spoke with Friday say their waterways are staying at manageable levels.
Four months after the Camp fire destroyed the northern California towns of Paradise and Magalia, city council members in the neighboring town of Chico voted this week to declare a climate emergency that threatens their lives and well-being.
One video follows Matthew Sligar on a “typical 14-hour workday” during the planting season. Another offers a step-by-step explanation of how rice is planted in Butte County. In others, he takes viewers on virtual tractor rides and demonstrates important tools, like his autonomous agriculture drone. Sligar doesn’t shy away from controversial topics, either, such as weed and pest control management and water usage.
It worked. Oroville Dam’s main flood-control spillway reopened for business Tuesday morning, releasing a gentle sheet of water into the Feather River for the first time since the 2017 crisis that sent 188,000 people fleeing for their lives. … It was a far cry from the scene two years ago, when the massive sinkhole in the spillway turned water releases into an angry, boiling mess…
Officials predict they might need to open the gates to move water that accumulated during the wet winter season from the reservoir down into the Feather River. … Amy Rechenmacher, an associate professor of engineering practice at USC, said the spillway’s use is going to be a big test for the agency and engineers who worked on the project.
An oversight at the Coleman National Fish Hatchery resulted in the death of some 390,000 fall Chinook salmon this week. Water was shut off to one of the hatchery’s raceways and wasn’t turned back on during fish-tagging operations Thursday night..
A California law that passed in 2014 gave local control to agencies to manage their groundwater. The Glenn Groundwater Authority – created in 2017 – is an agency that was formed under the Sustainable Groundwater Management Act to regulate groundwater at a local level. … The GGA was created by forming a joint exercise of powers agreement which was signed by nine local agencies. The purpose is to be the groundwater sustainability agency for the Glenn County portion of the Colusa Subbasin.
On our Bay-Delta Tour June 5-7, participants will hear from a diverse group of experts including water managers, environmentalists, farmers, engineers and scientists who will offer various perspectives on a proposed tunnel project that would carry water beneath the Delta, efforts to revitalize the Delta and risks that threaten its delicate ecological balance.
The town of roughly 1,000 people is located in the north-east part of the county and surrounded by active waterways. It has flooded multiple times in the past. Goals of the study included reducing the risk of flooding while enhancing habitat restoration and providing safe access to the river, according to Sabatini’s presentation.
Water may cascade down Oroville Dam’s rebuilt spillway next week for the first time since a massive crater formed in its nearly half-mile long surface two years ago — a major milestone in the saga that triggered the evacuation of 188,000 people and a $1.1 billion repair job to the country’s tallest dam. A storm forecast to hit this week is expected to fill Lake Oroville to the point that state dam operators might need to open the spillway gates…
As the Sacramento River rose in late February and early March due to a series of storms, it spilled over and flooded several hundred acres of recently planted fields south of Hamilton City. Just the way it was planned. The river poured through a gap that had been opened in the old J Levee and flooded a habitat restoration project between the riverbank and a new levee that had been built, set back from the river a mile or so.
Water managers are shifting from flood control to water storage at reservoirs across California. Folsom Lake is at roughly 70 percent capacity, with about twice the amount of inflow as outflow. “Some of the challenges we have — there are water demands that are always increasing at Folsom, we have snowpack that’s large, we have weather storms that come in,” said Todd Plain with Bureau of Reclamation.
Chinook spawned here historically, but in 1957 Putah Creek was dammed near Winters to divert water for Solano County. After that, hardly any salmon made their way up the creek. Then a lawsuit in the 1990s — and resulting restoration project — finally gave the fish what they needed to return after all these years.
As the sea level rises, it could impact more than the California coastline. The rising water could impact the Sacramento region. Some researchers said the rise could threaten levees in the area and increase the risk of flooding throughout the Delta and the Sacramento Valley.
FEMA said that a wide range of pre-existing problems contributed to the deterioration of both the upper and lower sections of the massive concrete spillway. The agency argues that federal law, regulations and policy restrict payments only to work needed to fix damage stemming from a declared disaster.
Blockbuster claims in a lawsuit that a racist, sexist, corrupt culture contributed to the near-catastrophic failure of Oroville Dam two years ago can go forward, a Sacramento judge ruled Thursday. The decision … sets the stage for what plaintiffs’ attorneys vow will be a deep dive into claims of a poisonous work culture that nearly disastrously compromised the nation’s tallest dam.
Pretty soon, the next phase of life for the Sacramento River waterfront could become evident — with help from the public needed to make it happen. … The Waterfront Idea Makers contest that the City of Sacramento commissioned to breathe new life into its riverfront enters a critical stretch this month. On March 13, the city will host an open house at the Hall, Luhrs & Co. building in Old Sacramento to showcase the design teams’ work and submissions from the public and kids.
The city of Sacramento has approved a $2.9 million contract that will allow construction of a new sewage vault underneath McKinley Park. The goal of the project is to provide a place to store sewage during wet weather, when stormwater runoff — and wastewater — can end up in the same place, and overflow can send it all into East Sacramento’s streets.
California’s state water agency is set to appeal a federal determination that some of the Oroville Dam’s reconstruction costs are ineligible for reimbursement. The Federal Emergency Management Agency last week approved an additional $205 million for the project, on top of the $128.4 million it sent last year, according to the state Department of Water Resources. But FEMA officials told the state they likely won’t fund some portions of the 2-year, estimated $1.1 billion rebuilding effort that followed the Oroville Dam’s near-failure in February 2017.
A process is underway that’s extremely important, and likely to be way over most of our heads. The Sustainable Groundwater Management Act was passed in 2014, which set deadlines for local agencies to come up with plans to manage the water beneath them “… without causing undesirable results.”
The U.S. Army Corps of Engineers has issued a $35 million contract to continue the Sutter Basin Project – strengthening a stretch of Sutter County levees. The project will allow repairs to continue on approximately five more miles of the Feather River west levee between Tudor Road and Cypress Avenue in south Sutter County, according to a press release from the corps.
Recent plans to enlarge California’s Shasta Dam by 18.5 feet have raised concerns over possible cultural and ecological implications on wildlife among the Winnemem Wintu people and environmental groups alike. … The change in flood patterns would likely affect vital sacred sites for the Winnemen Wintu Puberty Ceremony for young women, according to the Winnemem Wintu website. The project would also relocate roads, railroads, bridges and marinas, according to a fact sheet from the U.S. Bureau of Reclamation.
The Federal Emergency Management Agency approved $205 million to reimburse California for the Oroville Dam spillway reconstruction costs, the state Department of Water Resources announced Thursday. … However, FEMA has notified DWR that it doesn’t think some of the reconstruction costs are eligible for reimbursement,
Water is starting to seep down the rebuilt Oroville Dam spillway. California Department of Water Resources officials said Wednesday this is common and will not affect the operation of the dam’s gates, which are not watertight. … Both spillways at the 770-foot earthen dam, the nation’s tallest, collapsed in February 2017, forcing nearly 200,000 people downstream to evacuate.
People interested in state-mandated plans to manage local groundwater can get an update Thursday evening in Chico. … The meeting 6-8 p.m Thursday at the Masonic Family Center, 1110 W. East Ave., is focused on a newly approved planning area that includes Chico and Durham, and stretches north and west to the Tehama County line and the Sacramento River, and south and east to Butte Valley and the northern border of the Western Canal District.
The extra water from Shasta Lake would raise the lake by an estimated 20 feet, inundating the McCloud River, which is protected by the Wild and Scenic Rivers Act. That piece of legislation was designed to protect the trout that heavily populate those waters. And it’s not just state law that speaks out. One of the provisions of the 1992 Central Valley Project Improvement Act is to protect fisheries up and down the state’s major rivers. Raising Shasta Dam now would only be possible by overturning those two laws.
The Sacramento Valley’s flood management system is a good example where a portfolio of actions has greatly reduced flood damages and deaths, with relatively little management expense and attention in a highly flood-prone region. This case also illustrates how the many individual flood management options presented in the table can be assembled into a diversified cost-effective strategy involving the many local, state, and federal parties concerned with floods.
The state Department of Water Resources announced that releases from the powerplant were being increased from 1,750 cubic feet per second to 5,000 cfs. Ten-day projections show the lake reaching 835 feet on March 14, according to DWR. The department has said it does not anticipate that it will utilize the rebuilt Oroville Dam spillway anytime soon; however, crews have been making preparations in case its use becomes necessary. The spillway becomes usable once water reaches its gates at 813 feet, which should happen Tuesday morning.
Rep. John Garamendi, D-Walnut Creek, working with Republican Doug LaMalfa of the First District, have introduced the Sites Reservoir Protection Act to support building the reservoir and other water infrastructure in the Central Valley. The act, also known as House Resolution 1453, would direct the Bureau of Reclamation to complete a feasibility study for the project in Colusa and Glenn counties.
Rep. John Garamendi, D-Solano, introduced the Sites Reservoir Protection Act Thursday to provide federal support for the building of Sites Reservoir and other water infrastructures in the Central Valley. The act, also known as House Resolution 1453, would direct the Bureau of Reclamation to complete a feasibility study for the project Colusa and Glenn counties.
Yuba Water Agency is presenting a collaborative framework to the State Water Resources Control Board today, a detailed plan to improve fish and wildlife habitat conditions in the San Francisco/Sacramento-San Joaquin Delta Estuary watershed (Bay-Delta), including fisheries enhancement measures on the lower Yuba River.
When California’s new governor announced during his February 12 State of the State address that he didn’t support WaterFix as a two-tunnel behemoth, he received a loud burst of applause. Yet, in the next breath, when Newsom added he supported a one-tunnel version, no applause followed. That’s partly because the one-tunnel announcement hasn’t alleviated fears of people living on the north side of the estuary. Hood, Clarksburg and Courtland property owners still face the very real possibility of being hit with eminent domain.
The Yolo Bypass is central, both geographically and in importance, to California’s water supply and flood protection system, according to Bontadelli. However, proposed modifications to the Bypass to enhance habitat for out-migrating endangered winter and spring-run young salmon means the it will be key to the continued pumping of water south for agriculture and urban users.
Rains over the past several weeks have caused erosion to a recently improved portion of levee along the east side of the Feather River and protecting Marysville. But officials say the damage is superficial and doesn’t pose a threat to public safety.
Lake Oroville, currently at 773-foot elevation, could rise to 780-785 feet by the end of the month based on current projections. DWR and crews with Kiewit Infrastructure West Co., the contractor for the spillways construction project, would remove equipment from the main spillway if the lake elevation reached 780 feet.
The city currently has six groundwater pumping stations that were used during the drought. But the stations have the ability to pump water back into the aquifer as well. The Folsom Dam currently has three gates open to release enough water so it has room to capture flood water. Roseville Utility officials say it’s just the right time to do a larger scale test of its water injection strategy.
When operating, Sites Reservoir will provide significantly more water during drier periods, to become a new drought-management tool to address California’s water management challenges into the 21st century and beyond. Innovative and environmentally sound, Sites Reservoir will provide water to enhance the environment when it can provide greater benefits and provide a resilient and reliable supply of water for our communities, farms and businesses.
The Butte County Environmental Health Department announced Friday morning that businesses that plan on re-opening in the Camp Fire affected area and will be installing temporary water systems, including water tanks and hauling water, must contact its office prior to opening.
At the end of 2017, several local rice farmers teamed up with researchers for a pilot program known as “Fish in the Fields” through the Resource Renewal Institute, a nonprofit research and natural resource policy group, to see what would happen when fish were introduced to flooded rice fields. Now in its second year of experiments, researchers have concluded that it works, with methane – a climate-changing byproduct of rice agriculture much more detrimental than carbon dioxide – being reduced by about two-thirds, or 65 percent, in flooded fields that had fish in them.
Over the past two years, scared off by the anticipated costs of storing water there, Valley agricultural irrigation districts have steadily reduced their ownership shares of Sites. The powerful Metropolitan Water District of Southern California … is nearly as big an investor in Sites as all of the Sacramento Valley farm districts combined. Metropolitan agreed Tuesday to contribute another $4.2 million to help plan the project.
The interrelated nature of water issues has given rise to a management approach that integrates flood control, environmental water, and water supply. The Yuba Water Agency manages its watershed in this kind of coordinated manner. We talked to Curt Aikens, the agency’s general manager, about the lessons they’ve learned from this “integrated management” approach.
The wet weather broke a daily rainfall record in Sacramento, with 1.6 inches of rain recorded at the Sacramento Executive Airport over 24 hours. But the state’s network of flood-control dams and levees appeared to handle the deluge without major problems. The National Weather Service issued a flood warning Wednesday morning for the Sacramento Valley, and it was expected to remain in place until 6 p.m. Thursday as heavy and moderate rainfall was forecast to continue through Thursday.
Lawyers representing the state Department of Water Resources will make their case Friday for striking portions of lawsuits over the spillway crisis filed by the city of Oroville, several farms, businesses and other plaintiffs. The state is arguing that certain “inflammatory and irrelevant” allegations should be removed from the lawsuits, including allegations about racist actions, sexual harassment and petty theft by DWR employees and conspiracy to cover up or destroy documents.
Of the handful of speakers at the California Water Service hearing Tuesday, none supported the proposed rate increases for Chico, objecting to high costs, compensation to high-level executives and profit made by shareholders.
The Department of Water Resources reported last week that the surface level of most of the Sacramento Valley wasn’t dropping, which is incredibly good news. But it’s the kind of news that most people can not appreciate.
Thursday marks two years since the first hole opened up in the Oroville Dam Spillway, triggering an emergency that forced the evacuation of nearly 200,000 people. … The new emergency spillway is covered with roller-compacted concrete that looks like a giant staircase. It is one of the biggest changes during the reconstruction of the spillway project.
Several areas of the Oroville Dam and lake are undergoing extensive renovations and improvements, and the Oroville Recreation Advisory Committee met Friday to hear reports from the various member organizations overseeing them. … Aaron Wright of the California Department of Parks and Recreation said that several of the recently reopened areas near the dam have received a good amount of traffic.
The tiny town of Arbuckle in Northern California sank more than two feet in nine years. The revelation comes from a new survey that tracked subsidence — the gradual sinking of land — in the Sacramento Valley between 2008-17. Located about 50 miles north of Sacramento, Arbuckle (pop. 3,028) sank more than any other surveyed area. … Subsidence has long been an issue in California, but its recent acceleration was likely fueled by an extreme drought that plagued California between 2012-16.
The City of Chico has seen a population explosion, and it’s not just the roads that are impacted. Post-Camp Fire sewage production numbers are at an all-time high. Before the fire, Chico’s wastewater treatment facility processed about 6 million gallons of waste on average per day. Since then that amount has gone up to 7 million. Biosolid production has gone up 70%, while overall waste and sewage flows are up 17%.
Early last year, construction started on a $90 million project to build seven miles of setback levees and floodplains to protect Hamilton City from floods on the Sacramento River. … The new barriers are much farther from the riverbanks—as far as a mile away in places. In some respects, the concept is absurdly simple: During heavy rains or spring snowmelt, rivers need room to expand; moving levees back from riverbanks provides it. Setback levees not only reduce the need for newer and larger dams and levees, but also restore the natural habitat.
New data released measure changes in land subsidence in the Sacramento Valley over the past nine years, finding the greatest land surface declines in Arbuckle. According to the Sacramento Valley GPS Subsidence Netwook Report and accompanying fact sheet … land in the Arbuckle area has sunk 2.14 feet compared with baseline measurements recorded in the same location in 2008, according to a press release from the Department of Water Resources.
More water storage projects will not solve the basic fact that the state’s finite amount of water is incapable of meeting all of the demands. This deficit has been created primarily by the transformation of a semi-arid area— the Central Valley — by an infusion of water from northern California.
State water quality officials cautioned the public not to drink or cook with untreated surface water from streams throughout the Camp Fire burn area after bacteria and other contaminants were detected in water samples. … Laboratory analyses of surface water samples found concentrations of bacteria (E.Coli), aluminum, antimony and some polycyclic aromatic hydrocarbons (PAHs) that exceeded water quality standards for drinking water.
At least one state agency has indicated it will not issue necessary permits to allow federal officials and a Fresno-based water district to begin construction to raise the height of Shasta Dam. In addition to facing opposition from the state, the project could also face fresh hurdles from Congress, which this year came under control of Democrats. In a letter to the Fresno-based Westlands Water District, the State Water Resources Control Board says raising the height of Shasta Dam would violate state law.
Another Pacific storm was set to hit California on Wednesday, bringing a threat of mudslides to the site of the deadliest wildfire in state history and a rare blizzard warning in the Sierra Nevada. An evacuation warning was in place into Thursday morning for Pulga, a canyon community in Northern California. Its neighbor, the town of Paradise, was virtually incinerated two months ago by the Camp Fire that killed 86 people and destroyed nearly 15,000 homes.
The work to provide Yuba-Sutter with the highest level of flood protection possible isn’t yet complete, but the levees are much better today, having had the oversight expertise of the head of the Sutter Butte Flood Control Agency. After more than seven years with the agency, SBFCA Executive Director Mike Inamine announced he would be leaving this week for a job with the California Department of Water Resources.
The McCormack-Williamson Tract restoration project, a 1,500 acre site, lowers the levees on the north side of the island to allow the river to overtop into the site. On the south side, DWR will alleviate the surge flows that pose a risk to neighbors by opening small holes in the levee. 2018 saw the completion of construction of a levee to protect existing infrastructure on the site, as well as progress on habitat restoration plans. For the next phase, DWR will strengthen the interior levees and take steps toward opening the site up to tidal flows.
Last week, the relicensing effort reached a milestone when FERC issued its Final Environmental Impact Statement. The environmental document essentially looks at what changes a licensee has proposed for a specific project, the impacts of those changes and provides conditions they must meet if awarded a new license.
The long road to recovery in the town of Paradise starts with removing millions of tons of charred rubble left in the Camp Fire’s wake. But the question remains: Where will it all go? Disaster officials are scrambling to secure a place to sort and process the remnants of nearly 19,000 structures destroyed in the wildfire that began on Nov. 8 and killed 86 people. The mammoth undertaking has been slowed by staunch opposition in nearby communities eyed as potential sites for a temporary scrapyard, which would receive 250 to 400 truckloads of concrete and metal each day.
Butte County may soon have a better idea of what lies beneath its surface. Starting in late November, a helicopter took off for several days from the Orland airport to fly a pattern over an area between Chico and Orland, and southeast into Butte Valley. Dangling beneath the helicopter was a hoop loaded with devices that created a weak magnetic field and instruments that measured how that interacted with layers beneath the soil.
Everyone who diverts water is required to report to the State Water Board the amount they used. But Louis and Darcy Chacon reported an amount that just didn’t make sense. The Chacons reported they used more than 1 trillion acre-feet of water annually from 2009 to 2013, more than is available on the entire planet.
A trio of tiny salamander species could mean big trouble for federal officials spearheading a controversial $1.4-billion public works project to heighten the Shasta Dam in Northern California.
At the end of the last century, the Sierra Nevada captured an average of 8.76 million acre-feet of water critical to the nation’s largest food-producing region. By mid-century, a new study projects, the average will fall to 4 million acre-feet; and by century’s end, 1.81 million acre-feet.
The earthquakes hit just days after last year’s near-catastrophe at Oroville Dam, when the spillway cracked amid heavy rains and 188,000 people fled in fear of flooding. The timing of the two small tremors about 75 miles north of Sacramento was curious, and frightening.
Pedestrian public access to the Lime Saddle Marina will be unavailable on weekdays through late January as the state Department of Water Resources works on trail improvements.
Not long after the Gold Rush of 1849, California became a state and made its capital in Sacramento. It seemed a logical choice. The city was served by the two of the state’s biggest rivers, the Sacramento and American, at a time when a lot of goods and people moved via river traffic. It was somewhat centrally located. But, there was the occasional flood. Every spring, the snowcap in the Sierras melts, leaving a significant amount of water in the Central Valley, where Sacramento sits. The city engineered a levee system to control the seasonal flooding.
The U.S. Army Corps of Engineers will begin advertising for bids on a Feather River West Levee construction project estimated at $77 million. According to a staff report published earlier this year by the Central Valley Flood Protection Board, the project would make improvements to approximately 4.9 miles of levee.
Trump administration officials were in California on Tuesday to announce a $450 million loan for the Sites Reservoir project in Colusa County. The money will be used to build a tunnel to carry water from the Glenn-Colusa Canal to an existing reservoir, giving farmers on the west side of the Sacramento Valley more access to irrigation water.
Despite being evacuated nearly two weeks ago from their homes in the wake of spreading wildfires, residents of the town of Butte Creek Canyon — a few miles east of Chico — plan to join forces Wednesday to save the local salmon population. … Now, the fish face a new danger, as rains threaten to wash toxic debris from the nearby wildfires into the creek.
The plumes of smoke from the fire, which has burned 141,000 acres in Northern California, get the most attention, but the Camp Fire is leaving other environmental hazards in its wake: toxic ash from burning homes, polluted water, and burning Superfund sites. … “Anything that’s affecting the air quality will eventually affect water quality,” Los Angeles Waterkeeper Executive Director Bruce Reznik told Bloomberg Environment.
Employees of the state Department of Water Resources, with the help of firefighting crews, were cutting brush and watering down landscapes around Lake Oroville to prevent the 117,000-acre blaze from damaging the reservoir’s infrastructure, including the 770-foot-tall Oroville Dam.
A trial date has been set to hear several lawsuits against the state Department of Water Resources over the Oroville Dam crisis. The court scheduled the trial for June 1, 2020 during the second case management conference Friday in the Sacramento County Superior Court.
Marysville is one step closer to being the most protected city in the Central Valley from flooding, experts say, with the recent completion of a stretch of slurry wall in part of the ring levee project. Last week, crews completed a portion of the Marysville Ring Levee project – Phase 2A North – located between the 10th Street and Fifth Street bridges.
Federal regulators are raising new concerns about the troubled Oroville Dam, telling California officials their recently rebuilt flood-control spillways likely couldn’t handle a mega-flood. Although the chances of such a disastrous storm are considered extremely unlikely — the magnitude of flooding in the federal warning is far greater than anything ever experienced — national dam safety experts say the Federal Energy Regulatory Commission’s concerns could have costly repercussions for California.
State officials said Wednesday the damaged Oroville Dam flood-control spillway is ready for the rainy season, and will be able to fully blast water down its half-mile long concrete chute for the first time in nearly two years if lake levels rise. Work on the adjacent emergency spillway is ongoing.
When it comes to flood fighting, the men and women who’ve worked for Levee District 1 have seen it all – from tragedy to triumph. Those still around have plenty of stories to tell. The public will have an opportunity to hear some of those stories during the district’s 150th anniversary celebration on Oct. 26. The district is responsible for operations and maintenance of 16.15 miles of levee spanning from Pease Road to Marcuse Road in Sutter County.
A request from the state Department of Water Resources to temporarily make more than 50 miles of trails in Oroville open to multiple user groups has been denied by the Federal Energy Regulatory Commission. DWR proposed this with backing from the Oroville Recreation Advisory Committee, or ORAC, as a compensation for trail closures as a result of the 2017 Oroville Dam spillway emergency.
Explore the Sacramento River and its tributaries through a scenic landscape as we learn about the issues associated with a key source for the state’s water supply.
All together, the river and its tributaries supply 35 percent of California’s water and feed into two major projects: the State Water Project and the federal Central Valley Project. Tour participants will get an on-site update of Oroville Dam spillway repairs.
There’s going to be a new governor in California next year – and a host of challenges both old and new involving the state’s most vital natural resource, water.
So what should be the next governor’s water priorities?
That was one of the questions put to more than 150 participants during a wrap-up session at the end of the Water Education Foundation’s Sept. 20 Water Summit in Sacramento.
The state Department of Water Resources still expects to meet its quickly approaching Nov. 1 deadline to have all concrete placed on the Oroville Dam’s main spillway. Crews began by placing permanent concrete slabs at the bottom of the spillway of the nation’s tallest dam, making their way to the top. Now, the upper chute is about three-quarters of the way complete, DWR reported in a moderated media call on Wednesday.
Sites Reservoir, the largest new water storage proposal in California, recently won a commitment of $816 million in state funds to help with construction. It promises to deliver enough water every year, on average, to serve 1 million homes. But regulatory realities looming in the background may mean the project has substantially less water at its disposal.
Gov. Jerry Brown has signed into law Sen. Jim Nielsen’s bill to form a citizens advisory commission for the Oroville Dam. Senate Bill 955 creates a 19-member commission to provide a forum for residents and state officials to discuss reports, maintenance and other ongoing issues related to the dam.
The latest water conservation figures released by the state show Butte County saving at about double the statewide rate. The Water Resources Control Board released the number for July last week, and statewide water savings were 13.6 percent lower than in July 2013, the benchmark pre-drought year.
Dave Vogel already knew that levees and dams had devastated the coastal salmon population in California’s longest river. The surprise for the fisheries scientist arrived when he saw the video footage of young salmon clustered beneath bridges in the watery depths.
The U.S. Attorney’s Office announced that a farming company has agreed to pay $5.3 million in civil penalties and costs to perform work to repair disturbed streams and wetlands on property near the Sacramento River. … “Like the Duarte settlement last year, today’s agreement serves the public interest in enforcement of the Clean Water Act and deterrence of future violations,” said Jeffrey H. Wood, acting assistant attorney general for the Justice Department’s Environmental and Natural Resources Division.
An hour’s drive north of Sacramento sits a picture-perfect valley hugging the eastern foothills of Northern California’s Coast Range, with golden hills framing grasslands mostly used for cattle grazing.
Back in the late 1800s, pioneer John Sites built his ranch there and a small township, now gone, bore his name. Today, the community of a handful of families and ranchers still maintains a proud heritage.
Fixing the Oroville Dam spillway wrecked by storms in 2017 will cost $1.1 billion — a $455-million hike from initial estimates — the state Department of Water Resources announced Wednesday. The swelling cost can be blamed on design changes that have been made over the last 16 months and damage to the facility near Oroville, Calif., that was far more extensive than initially presumed, the department said.
Butte County has filed another lawsuit against the state Department of Water Resources, this time for damages from the Oroville Dam crisis that continue to increase. The county is seeking compensation for damage to its roads, which heavy equipment is still utilizing for construction efforts, and also for costs associated with responding to the spillway emergency in February 2017.
A 30-foot-wide section of temporary wall on the upper chute of the Oroville Dam spillway fell over late last week, the state Department of Water Resources confirmed on Monday. The collapse did not impact construction deadlines and resulted in no injuries, according to the department.
Farmers in the Central Valley are broiling about California’s plan to increase flows in the Sacramento and San Joaquin river systems to help struggling salmon runs avoid extinction. But north of Sacramento, River Garden Farms is taking part in some extraordinary efforts to provide the embattled fish with refuge from predators and enough food to eat. And while there is no direct benefit to one farm’s voluntary actions, the belief is what’s good for the fish is good for the farmers.
Farmers in the Central Valley are broiling about California’s plan to increase flows in the Sacramento and San Joaquin river systems to help struggling salmon runs avoid extinction. But in one corner of the fertile breadbasket, River Garden Farms is taking part in some extraordinary efforts to provide the embattled fish with refuge from predators and enough food to eat.
And while there is no direct benefit to one farm’s voluntary actions, the belief is what’s good for the fish is good for the farmers.
The local oversight committee spearheaded by Assemblyman James Gallagher and Sen. Jim Nielsen had some suggestions this week for the state Department of Water Resources on its assessment of the Oroville Dam. This comes about a month after the committee met for the first time on July 18.
Eighteen months after the dramatic failure of the spillways at Oroville Dam in Northern California, a disaster that led to the evacuation of 188,000 people, construction is on schedule to complete the concrete work in the main spillway by Nov. 1. … On Monday, Lake Oroville was 51 percent full, or 73 percent of its historic average for this date.
The presiding judge of the Sacramento Superior Court will be determining where seven lawsuits filed against the state Department of Water Resources over the Oroville Dam spillway crisis will be heard.
Crews have begun to place the final layer of concrete this week on the upper portion of the Oroville Dam spillway chute. This marks a “crucial milestone,” said Tony Meyers, project manager for the recovery project for the state Department of Water Resources, in a moderated media call on Wednesday.
The Sacramento and San Joaquin rivers are the two major Central Valley waterways that feed the Delta, the hub of California’s water supply network. Our last water tours of 2018 will look in-depth at how these rivers are managed and used for agriculture, cities and the environment. You’ll see infrastructure, learn about efforts to restore salmon runs and talk to people with expertise on these rivers.
The independent review board hired by the state Department of Water Resources to put outside eyes on an assessment which will play a large role in the future operations of the Oroville Dam has released its first report. Suggestions for infrastructure changes like the construction of a second gated spillway are expected to be considered through what DWR is calling a comprehensive needs assessment.
The Sites Reservoir project will move forward, according to officials, despite being awarded in a recent California Water Commission announcement about half what project backers sought. They will spend the next few months securing the necessary financing to begin the next phase.
Fran Obrigewitsch pulled up the most recent photo on her iPhone of the Oroville Dam spillway, taken just two days before it started to collapse last year. Her first chance to catch another glimpse was Monday, as the state Department of Water Resources reopened the stretch of Oro Dam Boulevard East that offers views of the spillway to the general public for the first time since the crisis began.
Get an up-close look at some of California’s key water reservoirs and learn about farming operations, habitat restoration, flood management and wetlands in the Sacramento Valley on our Northern California Water Tour Oct. 10-12.
Each year, participants on the Northern California Water Tour enjoy three days exploring the Sacramento Valley during the temperate fall. Join us as we travel through a scenic landscape along the Sacramento and Feather rivers to learn about issues associated with storing and delivering the state’s water supply.
A historic first meeting between state Department of Water Resources officials and local leaders as a committee solidified that the community will have a say in the future of Oroville Dam operations. … The committee is being led by co-chairs Assemblyman James Gallagher, Sen. Jim Nielsen and DWR’s John Yarbrough.
Enhancements to several Lake Oroville recreation areas are in the works this summer as the state Department of Water Resources makes good on its promise to improve lake access ahead of the Oroville Dam relicensing. Some means of getting more people out on the water include adding boat launch lanes and parking spots and providing free shuttle services.
Phase two of construction on the Oroville Dam’s main and emergency spillways is speeding along, as the Oroville Mercury-Register got to see up close in a tour on Wednesday guided by state Department of Water Resources officials. With half of the main spillway currently a work in progress, the department’s goal is to have the structure ready to use, if needed, by Nov. 1 — just under four months away.
A local oversight committee will get to have a say as long-term changes are considered for the Oroville Dam, after Sen. Jim Nielsen and Assemblyman James Gallagher recently came to an agreement with the state Department of Water Resources.
More than a decade in the making, an ambitious plan to deal with the vexing problem of salt and nitrates in the soils that seep into key groundwater basins of the Central Valley is moving toward implementation. But its authors are not who you might expect.
An unusual collaboration of agricultural interests, cities, water agencies and environmental justice advocates collaborated for years to find common ground to address a set of problems that have rendered family wells undrinkable and some soil virtually unusable for farming.
Concrete pouring is due to start Monday on the second half of the Oroville Dam emergency spillway “splash pad.” That’s the only milestone reported Wednesday during a media call on progress to repair the emergency spillway and main spillway, which sustained serious damage in February 2017.
Among California rivers, the Yuba is one of the most dramatic. Draining the Sierra Nevada just north of Lake Tahoe, it is steep and flashy – one of the most flood-prone rivers in the state. Yuba River floods have killed people – notably in 1955, 1986 and 1997 – and climate change is making such floods more likely.
Heading to Lake Oroville for the holiday weekend? It can be tricky to keep track of what areas are open to the public, with construction ongoing at the Oroville Dam spillways. To help with your plans, here is some information on the accessible trails, boat launches and other recreational areas.
New water storage is the holy grail primarily for agricultural interests in California, and in 2014 the door to achieving long-held ambitions opened with the passage of Proposition 1, which included $2.7 billion for the public benefits portion of new reservoirs and groundwater storage projects. The statute stipulated that the money is specifically for the benefits that a new storage project would offer to the ecosystem, water quality, flood control, emergency response and recreation.
The Diversion Pool below Oroville Dam and the trails on both sides of it will be partially open Friday through the Fourth of July, the Department of Water Resources announced Wednesday. The report came during a conference call to update media on the status of work to repair the spillways, which were heavily damaged in February 2017.
The state Department of Water Resources announced plans on Friday to draw Lake Oroville down to 808 feet elevation by early next week. This is to provide a second point of access to the upper chute of the Oroville Dam spillway, through the radial gates, for construction.
A steady stream of trucks has started carrying dirt to what will be a new levee to protect Hamilton City. The trucks started rolling Monday, carrying dirt from a pile at the north end of Canal Road that is left from the excavation of the Glenn-Colusa Canal.
The Army Corps of Engineers announced Monday that the additional money would be available to the Hamilton City Flood Damage Reduction and Ecosystem Restoration Project in the current fiscal year. … It is the first in the nation being constructed under the Corps’ guidelines to develop projects that include both flood risk reduction and ecosystem restoration.
The state Department of Water Resources has beefed up its response to the independent forensic report on what caused the Oroville Dam spillway failure last year. The report, released on Jan. 5, described how insufficient maintenance and repairs and faulty original design allowed water to seep through the spillway’s cracks and joints. It also blamed “long-term systemic failure” on the part of DWR, regulators and the dam safety industry at large.
A lawsuit filed by Butte County District Attorney Mike Ramsey against the state Department of Water Resources over environmental damages resulting from the Oroville Dam spillway crisis is moving forward in court. Butte County Superior Court Judge Stephen Benson overruled DWR’s demurrer, which is essentially a plea to have a case dismissed, through a written ruling filed on May 31.
An excavator slid down the Oroville Dam spillway slope on Sunday morning, resulting in minor injuries to its operator, the state Department of Water Resources confirmed on Wednesday. Erin Mellon, assistant director of public affairs for DWR, said that the operator immediately got back to work after the accident, which is currently under investigation by the department and Kiewit Infrastructure West Co., the lead contractor for the construction project.
The Oroville Strong! advocacy group is going by a new name and hoping to increase its reach to those in the greater area who have been affected by the spillway crisis. The new entity called the Feather River Recovery Alliance will be headed by some of the same leaders; however, it will be disassociated from the Oroville Chamber of Commerce.
The opening of the Diversion Pool last weekend to kayakers and hikers appears to have been a big success according to all involved, and it may happen again. “We’ve already been discussing it with our partners and probably will,” State Parks District Superintendent Aaron Wright said Thursday, “but I can’t commit to that now.”
Two bills proposed by Assemblyman James Gallagher, one of which would have taken the State Water Project from the state Department of Water Resources and another which would have provided funding for school resource officers, failed on Friday to pass through the Assembly Appropriations Committee.
The second and final phase of reconstruction continues at the Oroville Dam spillways. … A flight over the location last week during a break in Butte County Sheriff’s Office helicopter training exercise, showed that much original concrete at the top of the chute has been removed, along with the walls.
The California Water Commission – the entity responsible for awarding $2.7 billion in Proposition 1 funds to water storage projects in a few months – didn’t quite see eye-to-eye with officials pushing for Sites Reservoir, primarily on the benefits to salmon the project would provide.
In order to get boaters and swimmers back to Lake Oroville after the Oroville Dam spillway was damaged in 2017, state agencies have announced they will waive fees for the recreational area on select days over the summer.
While work to repair the main Oroville Dam spillway will largely be done by Nov. 1, in response to a question, the Department of Water Resources clarified that work on the emergency spillway will continue into 2019.
Construction work began just after midnight Tuesday morning on phase 2 of the repairs to the Oroville Dam main spillway. The Department of Water Resources had been granted permission by federal and state regulators to start work May 8, and contractor Kiewit Infrastructure West didn’t waste any time.
The Federal Emergency Management Agency recently told north state congressmen Doug LaMalfa and John Garamendi that the agency is still reviewing whether the state Department of Water Resources is eligible for further reimbursement to fix the Oroville Dam spillway.
One billion dollars isn’t enough, Sites Reservoir supporters say. Despite being eligible for $1 billion in Proposition 1 funds from the state, a top official with the group spearheading Sites Reservoir said the state is failing to see the big picture in terms of the benefits the project would provide California, namely its endangered salmon.
The California Water Commission announced Friday that the Sites Reservoir project was eligible for $1 billion in Proposition 1 funds, up from $933 million the commission had said it might receive last month. … The commission also signaled more support for a small groundwater storage proposed by the Sacramento Regional County Sanitation District.
The NOR-CAL Guides and Sportsmen’s Association and other fishing groups had spent more than a year pressuring state dam and fish-hatchery managers to raise extra fish to make up for the ones the fishing groups say were lost after the Oroville Dam spillway collapsed in February 2017.
The U.S. Geological Survey over the last year has recorded dozens of weak and shallow earthquakes near Oroville Dam and its spillways. And nearly all the tremors — including a magnitude-0.8 quake recorded Wednesday — share the same designation: “Chemical explosion.”
While some construction continues at Oroville Dam, the bulk of work under phase two is expected to begin May 8, state Department of Water Resources officials said Wednesday in a monthly media update call. This comes as DWR submitted an updated 2017-2018 Lake Oroville operations plan on Tuesday to the Federal Energy Regulatory Commission and the California Division of Safety of Dams for approval.
After a spring storm system dumped 5 to 7 inches of rain into the Feather River basin over the weekend, state officials said Sunday they likely won’t have to use the partly rebuilt flood control spillway at Oroville Dam after all.
Oroville Dam operators said Tuesday they may have to release water over a partially rebuilt spillway for the first time since repairs began on the badly damaged structure last summer. Department of Water Resources officials said anticipated storms could trigger releases this week or next.
With a pounding storm headed for California, state water officials said Tuesday that Oroville Dam’s crumbled spillway could get its first test since being rebuilt in the wake of last year’s near-catastrophe.
With a powerful storm barreling toward California’s coast, state officials warned they may have to use the largely rebuilt flood control spillway at troubled Oroville Dam as early as next week.
First there was the green spot, now there’s the wet spot. … But it was something that had been expected, and the Department of Water Resources said as early as January that it might happen.
The flows have been shut off through the Hyatt Powerhouse at the base of Oroville Dam, and the lake is beginning to rise. And that’s all by design, according to the state Department of Water Resources.
Kiewit Infrastructure West Co. said on Wednesday that construction of the underground wall below the Oroville Dam emergency spillway completed in early March. The 1,450 feet long wall, drilled 35-65 feet into bedrock, is one preventative measure against the type of erosion that occurred there last year, should the emergency spillway ever be used again.
A bill introduced by Sen. Jim Nielsen that would create a citizens advisory commission for the Oroville Dam was amended in the Senate last week. This comes as the Oroville Dam Coalition has been lobbying over the past year for more community involvement, including through a citizens oversight committee, as a reaction to the spillway crisis in February 2017.
State Parks workers were pulling cable up a launch ramp at Bidwell Marina Thursday because the water level in Lake Oroville is on the rise. March’s storms have brought the lake level up almost 13 feet since the start of the month, according to the Department of Water Resources website.
The state Department of Water Resources submitted its plan to the Federal Energy Regulatory Commission on Tuesday to address findings in the independent forensic report. The extensive forensic report, released on Jan. 5, blamed “long-term systematic failure,” including faulty design and insufficient maintenance, for the Oroville Dam crisis in February 2017.
A change of venue request from Butte County to Sacramento County has been granted for plaintiffs in the first class action lawsuit filed against DWR for the Oroville Dam crisis.
Sites Project Authority officials recently appealed the California Water Commission’s initial public benefit score in hopes of improving their pitch for a chunk of the $2.7 billion in available Proposition 1 funding for state water storage projects.
California Gov. Jerry Brown signed legislation Monday that seeks to beef up dam inspections following a near disaster that caused the evacuation of almost 200,000 people living downstream from the tallest one in the United States. The measure implements several recommendations from experts who reviewed the crisis at Oroville Dam last year.
Despite the heat that often accompanies debates over setting aside water for the environment, there are instances where California stakeholders have forged agreements to provide guaranteed water for fish. Here are two examples cited by the Public Policy Institute of California in its report arguing for an environmental water right.
Though the final phase of repair work on the main spillway at Lake Oroville is now on the back burner until spring, Department of Water Resources officials said crews are making significant progress on repairing the emergency spillway.
Until February 2017, the calls that came to Butte 2-1-1 ranged from quelling stress, and finding support organizations, to locating low-cost diapers. But for a few weeks after the Oroville Dam spillway disaster, the calls were desperate, seeking evacuation routes, hunting for surviving relatives, and wondering when residents could return home.
Modifications were made to construction plans for an upcoming phase of the Marysville Ring Levee project. … The Marysville Levee Commission, the Central Valley Flood Protection Board and the U.S. Army Corps of Engineers are proposing changes to their original plans for an area located along the existing levee to the southwest of Marysville, between the Fifth Street Bridge and E Street Bridge.
With the threat of another drought looming, federal officials announced water allocations Tuesday that gave the city of Redding a full complement of water, but other water agencies, such as the Bella Vista Water District, were left with uncertainty.
Assemblyman James Gallagher rounded up a group of bipartisan legislators to visit Oroville on Thursday, where they met with community members and toured the now-infamous dam. Representatives of districts ranging from southern to northern California came to better understand the place where the evacuation of about 188,000 people occurred just over a year ago.
Locals who lost business or saw their property value decrease because of the Oroville Dam crisis are anxious to be reimbursed through a class action lawsuit filed last week. … There is a variety of plaintiffs in the class action lawsuit, including a child care facility, a water ski shop, a ranch and a ministry.
One year after the worst structural failures at a major U.S. dam in a generation, federal regulators who oversee California’s half-century-old, towering Oroville Dam say they are looking hard at how they overlooked its built-in weaknesses for decades.
Here’s a conceptual chronology of the near-catastrophe, based on a sophisticated UC Irvine computer analysis that wasn’t available to state officials during the emergency.
Butte County District Attorney Michael Ramsey has filed a lawsuit against the California Department of Water Resources seeking $34 billion to $51 billion in civil penalties for environmental damage following the failure of the Oroville Dam spillways last February.
Butte County prosecutors are seeking up to $51 billion in fines and penalties against California’s water agency for damage caused to local river-based wildlife after the Oroville dam spillway failure last year, officials said.
Butte County District Attorney Mike Ramsey announced Wednesday that his office filed a lawsuit against the state Department of Water Resources for environmental damages to the Feather River as a result of the Oroville Dam crisis.
One year ago, when the main flood-control spillway at Oroville Dam cracked in two on Feb. 7, 2017, the crater sent concrete chunks flying and water shooting off in all directions.
More than 40 farmers and business owners in the Oroville area sued the state Wednesday over the effects of the Oroville Dam crisis, seeking hundreds of millions of dollars in damages.
Oroville Dam’s battered flood-control spillways have been largely rebuilt, but the cost of last February’s near-disaster keeps rising. On Friday, state officials put the total price tag at $870 million.
The view from Don Murphy’s expansive backyard is breathtaking. The Sacramento River rolls gently past as birds float in the mid-winter fog. It is nearly silent, except for the infrequent car driving along a delta road across the river. … Now a fight is heating up over who should have access to that serenity.
Local leaders are pressing the state Department of Water Resources for details on how residents will be involved in the community needs assessment. Department officials have said that constructing additional infrastructure at Oroville Dam, including a second gated spillway and a fully lined emergency spillway, would be considered as part of the assessment.
Locals were waiting for Gov. Jerry Brown to say something during his final State of the State Address about the Oroville Dam crisis and infrastructure. They were disappointed.
The state Department of Water Resources could have lost control of the spillway radial gates for days during the Oroville Dam crisis if crucial power lines had gone down, according to department officials. DWR leaders Cindy Messer and Joel Ledesma stated this Jan. 10 during a legislative oversight hearing on the dam at the State Capitol.
The project is called the Fish Food on Floodplain Farm Fields Project. It’s part of a greater effort to restore threatened fish species — the Sacramento Valley Salmon Recovery Program. The project comes at a key time: A recent UC Davis study suggests that winter run chinook salmon could go extinct if efforts to recover the species aren’t taken up.
The Bureau of Reclamation and the U.S. Army Corps of Engineers are currently testing Folsom Dam’s auxiliary spillway, part of the official commissioning of the newly constructed structure. The Corps, in cooperation with Reclamation, are testing all of the major systems in the structure, ensuring that the facility operates as intended in the design. The tests, underway this week and next, include operating and releasing water from all six new auxiliary spillway radial gates.
An investigation into last winter’s near catastrophe at Oroville Dam uncovered a litany of problems with how the dam was built and maintained, but one of them stands out: Even as workers built the dam, they were raising alarms about the eroded, crumbling rock on which they were directed to lay concrete for the 3,000-foot-long main flood control spillway.
Signaling what could be a wave of lawsuits arising from last year’s spillway crisis, the city of Oroville is planning to file a complaint Wednesday against the state Department of Water Resources for damages it says it suffered during and after the emergency. About 188,000 people were evacuated from communities along the Feather River after the failure of Oroville Dam’s main spillway last Feb. 7.
California water officials have always insisted public safety was their only concern as they struggled with the crisis unfolding last February at Oroville Dam. The forensic team investigating what happened at Lake Oroville, however, has pinpointed another factor guiding the decisions made by the Department of Water Resources: the state’s desire to continue shipping water to faraway farms and cities that rely on deliveries from the reservoir.
The spillway failures at Oroville Dam that prompted tens of thousands to flee for their lives last winter were the result of years of mistakes, lax inspections and lazy repairs by the state’s water agency, a team of independent dam experts reported Friday. Their conclusions: State water managers should not have built the dam’s primary spillway on faulty bedrock.
Less than nine months after two massive holes formed in Lake Oroville’s main spillway, construction crews wrapped up their first phase of rebuilding it. Some local residents have expressed concerns that the quick turnover could result in faults or design flaws, but an official with the Department of Water Resources said if any crew can accomplish the feat, it would be Kiewit Infrastructure West Co.
The independent team of experts investigating the dramatic failure of the spillways last February at Oroville Dam that led to the evacuation of 188,000 people has concluded that California water officials were “overconfident and complacent” and gave “inadequate priority for dam safety,” according to a final report released Friday.
The forensic team investigating the February emergency at Oroville Dam blasted the California Department of Water Resources on Friday, saying the dam’s owner and operator did a poor job of designing, building and maintaining the structure and neglected safety while focusing on the “water delivery needs” of its customers to the south.
State Department of Water Resources officials recently met with Oroville Dam Coalition members to consider their ideas for the Oroville Wildlife Area project, but announced later the same day that the department had different plans.
Elected officials and other groups representing those living below the troubled Oroville Dam have asked the Trump administration to hold off on renewing its 50-year license, saying the federal government should at least know why the spillway broke in half last winter before signing off.
There were many takeaways from last February’s Lake Oroville spillway incident, but one very alarming one: a large number of Yuba-Sutter residents who evacuated said they experienced issues with leaving the area, mainly due to traffic congestion. And a startling number of residents reported that they stayed home instead of fleeing, risking their lives in the event the emergency spillway did collapse.
The near-disaster at Oroville Dam last February brought damage claims flooding into the state by the hundreds – shops and restaurants that lost business, farms that got overwhelmed by surges in water, cities and counties buried in evacuation expenses. Most claims argue that the state is responsible for the emergency because it ignored warning signs about the condition of the dam’s spillway.
The previously secret state Department of Water Resources memorandum explaining the hairline cracks in the Oroville Dam spillway is now public. The document provides more details on how Kiewit Infrastructure West Co., the contractor for spillway reconstruction, tried to reduce shrinkage, which leads to cracking in concrete.
Yuba-Sutter residents voiced concerns to the Department of Water Resources over a variety of issues Thursday night, including the hairline cracks that have appeared on the reconstructed spillway, a need for more transparency moving forward, and the significant amount of sediment buildup in the Feather River brought about by the Lake Oroville incident last February and plans – or lack thereof – to clear it out.
