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Your Online Water Encyclopedia

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Overview January 30, 2014

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Bay-Delta Tour participants viewing the Bay Model
Aquapedia background February 11, 2014 Sacramento-San Joaquin Delta Map Layperson's Guide to the Delta

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.

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Aquapedia background February 4, 2014

Harvey O. Banks

Harvey O. Banks (1910-1996), a lifelong civil engineer, played an integral role in the development of water projects in California.

He became the first director of the state Department of Water Resources, appointed by Governor Goodwin J. Knight on July 5, 1956 — the date the department was officially established. He continued as director under Governor Edmund G. “Pat” Brown. During Banks’ tenure as director from 1956-1961, he was key in the planning and the initial construction of the California State Water Project (SWP).

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Aquapedia background January 30, 2014

Battle Creek

Battle Creek, a tributary of the Sacramento River in Shasta and Tehama counties, is considered one of the most important anadromous fish spawning streams in the Sacramento Valley.

At present, barriers make it difficult for anadromous fish, including chinook salmon and Central Valley steelhead trout, to migrate. Battle Creek has several hydroelectric dams, diversions and a complex canal system between its north and south forks that impede migration.

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Aquapedia background January 30, 2014

Bay Delta Conservation Plan

The Bay Delta Conservation Plan is a permitting process for long-term project permits for the Sacramento-San Joaquin Delta that centers on co-equal goals of species conservation and improving water supplies and delivery.

The BDCP aims to separate its water delivery system from Delta freshwater flows and restore thousands of acres of habitat, restore river flows to more natural patterns and address issues affecting the health of fish populations.

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Aquapedia background September 7, 2016

Biochemical Oxygen Demand

The biochemical oxygen demand (BOD) of water determines the impact of decaying matter on species in a specific ecosystem. Sampling for BOD tests how much oxygen is needed by bacteria to break down the organic matter.

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Aquapedia background August 15, 2016

Bioconcentration

Process by which an individual organism directly concentrates a substance from the surrounding water.

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Aquapedia background August 15, 2016

Biomagnification

Process by which a substance is passed up the food chain resulting in an especially high level of the substance at upper levels of the food chain.

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Carl Boronkay

Carl Boronkay (1929-2017) was general manager of the Metropolitan Water District of Southern California (MWD) between 1984 and 1993. Boronkay is credited with developing a long-term vision for the district’s sustainable water supplies as well as large projects such as Diamond Valley Lake, the large reservoir near the Riverside County town of Hemet, and the Inland Feeder that connects the State Water Project to the Colorado River Aqueduct and Diamond Valley Lake.

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Aquapedia background October 3, 2014

Ralph M. Brody

Ralph M. Brody (1912-1981) served as Gov. Pat Brown’s special counsel on water issues and chief deputy director of the Department of Water Resources.

He was instrumental in ensuring passage of the State Water Project in 1960. He chaired the California Water Commission from 1960 -1966. From 1960 until his retirement in 1977, he was manager and chief counsel for Westlands Water District.

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Edmund G. “Pat” Brown

Edmund G. “Pat” Brown (1905-1996) was California’s governor from 1959-1967, exemplified the best in public service and left a wide-ranging legacy that featured first and foremost the State Water Project (SWP) and California Aqueduct but also included the Fair Housing Act, the Fair Employment Act, the Master Plan for Higher Education and highway expansion.

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Aquapedia background September 1, 2016 California Water Map

Butte Creek

Butte Creek, a tributary of the Sacramento River, begins less than 50 miles northeast of Chico, California and is named after nearby volcanic plateaus or “buttes.” The cold, clear waters of the 93-mile creek sustain the largest naturally spawning wild population of spring-run chinook salmon in the Central Valley. Several other native fish species are found in Butte Creek, including Pacific lamprey and Sacramento pikeminnow.

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