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Announcement

Register Now for Limited Seating on Lower Colorado River Tour; Water 101 Workshop Registration Opens Jan. 7
Save the dates for other 2026 events!

Registration for our first water tour of 2026 along the lower Colorado River is now open and the bus will fill up quickly! You can also find more information below on next year’s programming calendar packed with engaging tours, workshops and conferences.

And don’t forget that current Foundation member organizations receive access to coveted sponsorship options for our tours and events, which are all prime networking opportunities for the water professionals in attendance! Contact Nick Gray for more information.

Lower Colorado River Tour | March 11-13

Be sure to catch the return of our annual Lower Colorado River Tour as we take you from Hoover Dam to the U.S.-Mexico border and through the Imperial and Coachella valleys to learn about the challenges and opportunities facing the “Lifeline of the Southwest.”

Following the river as it winds through Nevada, Arizona and California, the tour explores infrastructure, farming regions, wildlife refuges and the Salton Sea. Experts discuss river issues, such as water needs, drought management, endangered species and habitat restoration. 

In anticipation of high demand, space is limited to two tickets per organization so reserve your spot soon while tickets last. Get more tour details and register here!

Announcement

There’s Still Time! Support the Water Education Foundation on Giving Tuesday
Your Support Makes a Critical Impact on Water Education in California and the West

Since 1977, the Water Education Foundation has worked to inspire better understanding and catalyze critical conversations about our most vital natural resource: water.

This is not a mission our nonprofit can carry out alone.

Today on Giving Tuesday, a global day of philanthropy, please consider making a tax-deductible donation to support the important work we do to provide impartial education and foster informed decision-making on water issues in California and the West.

Water News You Need to Know

Aquafornia news The New York Times

Wednesday Top of the Scroll: After Trump threatens tariffs, Mexico seeks a deal on water 

President Claudia Sheinbaum of Mexico struck a conciliatory tone on Tuesday in response to President Trump’s threats of additional tariffs over a long-running dispute between the two nations over water. Mr. Trump said on Monday that he would place an additional 5 percent tariff on Mexican imports if Mexico didn’t release 200,000 acre-feet of water, or about 65 billion gallons, to the United States by the end of the year. He said Mexico owed more than 260 billion gallons under a 1944 treaty mediating the distribution of water from the Rio Grande, Colorado and Tijuana rivers. Ms. Sheinbaum told reporters on Tuesday that … it was impossible to immediately deliver the water Mr. Trump requested because of physical constraints.

Related articles:

Aquafornia news SJV Water (Bakersfield, Calif.)

Newly formed Tulare County water district already busy wheeling and dealing for water

A new Tulare County water district is on a tight timeline to balance an opportunity to buy water for its farmers with the need to fund its operations long term. The board of the newly formed Consolidated Water District voted Dec. 3 to buy 2,900 acre-feet of water from three private ditch companies, the Persian, Watson and Matthews ditch companies. The timing is both good and bad. Good because the district is preparing for a Proposition 218 election in spring to assess new fees to farmland and this purchase is a clear example of what that money pays for. The timing is also bad because the district is operating on a $500,000 loan from Consolidated People’s Ditch Company while it gets established. The 2,900 acre feet purchase will eat up $290,000 of that loan.

Other water management news:

Aquafornia news Phys.org

The U.S. Southwest’s disappearing precipitation is also due to human-driven climate change, according to report

The Colorado River Basin, like much of the southwestern U.S., is experiencing a drought so historic—it began in 1999—that it’s been called a megadrought. In the basin, whose river provides water to seven states and Mexico, that drought is the product of warming temperatures and reduced precipitation, especially in the form of winter snow. While the warming trend has been conclusively linked to human activities driving climate change, the cause of the waning precipitation wasn’t as clear. Now, however, Jonathan Overpeck of the University of Michigan and Brad Udall of the Colorado Water Center at Colorado State University are convinced that anthropogenic climate change is the culprit as well.

Other Colorado River Basin news:

Aquafornia news The Sacramento Bee

NOAA’s denial of endangered status for salmon sparks talk of legal challenge

Federal fisheries officials on Monday rejected a bid to designate West Coast Chinook salmon as threatened or endangered under the Endangered Species Act. In response, one of the conservation groups that petitioned for the listing, the Center for Biological Diversity, says it is considering a legal challenge. … The listing of the fish would have meant stronger oversight of logging near rivers, new requirements for dams to allow salmon to pass and to release colder water, and an influx of restoration work that usually follows an endangered species designation.

Other endangered species and biodiversity news:

Online Water Encyclopedia

Wetlands

Sacramento National Wildlife RefugeWetlands are among the world’s most important and hardest-working ecosystems, rivaling rainforests and coral reefs in productivity. 

They produce high oxygen levels, filter water pollutants, sequester carbon, reduce flooding and erosion and recharge groundwater.

Bay-Delta Tour participants viewing the Bay Model

Bay Model

Operated by the U.S. Army Corps of Engineers, the Bay Model is a giant hydraulic replica of San Francisco Bay and the Sacramento-San Joaquin Delta. It is housed in a converted World II-era warehouse in Sausalito near San Francisco.

Hundreds of gallons of water are pumped through the three-dimensional, 1.5-acre model to simulate a tidal ebb and flow lasting 14 minutes.

Aquapedia background Colorado River Basin Map

Salton Sea

As part of the historic Colorado River Delta, the Salton Sea regularly filled and dried for thousands of years due to its elevation of 237 feet below sea level.

The most recent version of the Salton Sea was formed in 1905 when the Colorado River broke through a series of dikes and flooded the seabed for two years, creating California’s largest inland body of water. The Salton Sea, which is saltier than the Pacific Ocean, includes 130 miles of shoreline and is larger than Lake Tahoe

Lake Oroville shows the effects of drought in 2014.

Drought

Drought—an extended period of limited or no precipitation—is a fact of life in California and the West, with water resources following boom-and-bust patterns. During California’s 2012–2016 drought, much of the state experienced severe drought conditions: significantly less precipitation and snowpack, reduced streamflow and higher temperatures. Those same conditions reappeared early in 2021 prompting Gov. Gavin Newsom in May to declare drought emergencies in watersheds across 41 counties in California.