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Contaminated groundwater in the Central Valley of California is a growing problem due to contamination and overuse. [1] This problem is compounded by the overdrafting of underground aquifers. [1] nitrates are the most abundant pollutants in the Central Valley due to the copious amounts of agricultural runoff from the farms. [2]
The legislation bears the names of legislators Carley V. Porter and Gordon Cologne. [1] It was established to be a program to protect water quality as well as beneficial uses of water. This act applies to surface water, groundwater, wetlands and both point and nonpoint sources of pollution. There are nine regional water boards and one state ...
In 1980, DWR noted that of California's 450 groundwater basins that were defined at the time, 40 were in overdraft and 11 were identified as being in "critically overdrafted conditions" (COD). [5] Groundwater levels had dropped from 50 feet below historic levels and up to 100 feet below in the San Joaquin Valley.
The law has led to the collection of more groundwater data and nearly $1 billion in state funding, and has raised public awareness about how heavy pumping, particularly for agriculture, has ...
Estimates suggest up to 900,000 acres of farmland in the San Joaquin Valley alone might need to be fallowed to reduce the drawdown of groundwater and balance supply and demand.
To meet the lofty goals of California’s 2014 Sustainable Groundwater Management Act, the authors estimated that users statewide will need to reduce groundwater pumping by about 19.2 percent by ...
The state groundwater law, which was signed nearly 10 years ago, requires local agencies in many areas to develop groundwater plans and curb overpumping by 2040.
The Groundwater Ambient Monitoring and Assessment Program (GAMA) is an all-inclusive monitoring program for groundwater that was implemented in 2000 in California, United States. It was created by the California State Water Resources Control Board as an improvement from groundwater programs that were already in place.