Overpumping groundwater, worsening droughts and more rapid evaporation due to higher temperatures have caused a drastic ...

California's drinking water has elevated levels of a certain contaminant found to be associated with adverse birth outcomes, causing experts to advise that safe water advisories need to be updated.

California's new rules would let — but not require — water agencies take wastewater, treat it and then put it right back into the drinking water system. California would be just the second ...

Water bills are climbing as utilities clean up a chemical made infamous in “Erin Brockovich.” Lawmakers could give water ...

LOS ANGELES (AP) — California regulators voted Wednesday to establish a drinking water limit on hexavalent chromium, a toxic chemical compound made infamous by the movie “Erin Brockovich.” ...

California has borne the brunt of a parade of wet weather since the end of 2022 but still struggles to store it amid an ongoing drought. Scientists and farmers are hoping to change that.

Over the last half century or so, millions more people have moved to greater Los Angeles, settling in increasingly far-flung ...

California public health officials are touting the safety and health benefits of fluoride in drinking water, as U.S. Health Secretary Robert F. Kennedy Jr. reportedly revealed plans to curtail the ...

State Water Resources Control Board v. The Superior Court of Kings County, No. F088909 (Nov. 7, 2024); Kings County Farm Bureau v.State Water Resources Control Board, No. F088720 (Oct. 2, 2024).↩︎ ...

Exposure to Legacy Per- and Polyfluoroalkyl Substances from Diet and Drinking Water in California Adults, 2018–2020. Environmental Science & Technology, 2025; DOI: 10.1021/acs.est.4c11872; ...