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
Public Working Group Meeting for the Second Statewide Agricultural Panel for the Irrigated Lands Regulatory Program (3:00 p.m. to 6:00 p.m.)
February 11, 2026
Notice | Program Page
SAFER Drinking Water Program: Advisory Group Onboarding Meeting
February 12, 2026
Notice | Program Page
Remote Meeting - Information on how to participate in State Water Board meetings remotely
Operator Certification Exams
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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)
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Student Programs
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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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