The State Water Board’s Digital Publication, Ebb and Flow

Taking on “Forever Chemicals" in Drinking Water

State Water Boards scientists identified the top two most common PFAS types in 17% of 3,422 wells tested across 51 California counties.

While contamination was less widespread than expected, California now aims to treat the chemicals as a whole, rather than individual types.

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PFAS

In Focus...

Underground Storage Tank

California's Progress Removing Single-walled Storage Tanks

Leaking fuel and hazardous waste can pollute our water systems. Single-walled storage tanks must close by January 1, 2026.

99% of these tanks are now closed.

See California's Progress


Groundwater Recharge Permits

85% of Californians depend on groundwater for all or part of their water needs.

Faster, lower-cost, 5-year permits allow California to store more water underground for future droughts.

Get the Facts

Diverted excess stormwater refilling groundwater

Announcements

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Need Translation or Interpretation Services?

The California Water Boards provides Language Access services in any language at no cost to you.

To request these services, or file a complaint, click on the button below to open the language access form.

The form is available in English, Español (Spanish), Tagalog, 中文 (Simplified Chinese), 한국인 (Korean), Tiếng Việt (Vietnamese), ਪੰਜਾਬੀ (Punjabi).

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