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 ...

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.” ...

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; ...

A mandatory boil water notice was issued for the Five Cities area of California, with residents advised not to drink tap water unless it has been boiled for at least one minute ...

More information: Emily H. Pennoyer et al, Exposure to Legacy Per- and Polyfluoroalkyl Substances from Diet and Drinking Water in California Adults, 2018–2020, Environmental Science & Technology ...

At a recent event in California's Central Valley that drew prominent water industry stakeholders, Ionex SG LLC debuted its breakthrough technology to remove nitrates from drinking water. The UK ...