Topic

water-quality

1 story on water-quality, across Climate.

A map showing the main features of the State Water Project, which provides drinking water for over 25 million people in California. Shaded relief from USGS data. Intended to replace outdated File:Stat

Half of California Waterways Contaminated With PFAS Pesticides

A review of regulatory tests found 'forever chemicals' in approximately 50% of the state's tested streams and rivers, including drinking water sources.

June 5, 2026

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