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.
Upcoming Events
Notice of Consideration of Approval of the Amendment to the Water Quality Control Plan for the North Coast Region to incorporate applicable provisions of statewide plans and policies and improve clarity
March 3, 2026
Notice | Program Page
Remote Meeting - Information on how to participate in State Water Board meetings remotely
Operator Certification Exams
In Focus...
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.
Announcements
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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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State and Regional Water Boards Map
Public Water Systems Operator Certification Program
Water Quality Programs
Board Meeting Information and Calendar
Board Meeting Information Videos
Environmental Laboratory Accreditation Program (ELAP)
Industrial Stormwater Program
Storm Water Industrial Classification Codes (SIC)
Storm Water Program
Industrial General Permit 2014-0057-DWQ
SMARTS - Industrial Help Guides
Information for Public Drinking Water Systems
Search Beach Monitoring Data
Contact Us
Per- and Polyfluoroalkyl Substances (PFAS)
Water Rights Programs
California Drinking Water Related Laws
Featured Topics
Student Programs
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Employment
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Cannabis Cultivation
The State Water Board is developing and implementing new regulatory programs to address potential water quality and quantity issues related to cannabis cultivation.
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