Permits for Water Systems

Click on a link for applications and instructions for drinking water supply permits for public water systems, permit fees, and California Environmental Quality Act (CEQA) requirements. Questions should be directed to the appropriate Division of Drinking Water (DDW) district engineer (PDF).

Permit Information

• What is a Public Water System (PDF)
• New Water Systems Fact Sheet (PDF)
• SB-1263 FAQ (PDF)
• Preliminary Technical Report Guidance (PDF)
• Permit Application (PDF)
• Amended Permit Application (PDF) (PDF)
• Fees for Drinking Water Systems
• Technical Managerial and Financial (TMF) Capacity
• Water Supply Permit Environmental Intake Form (Word)

(Page last updated 11/24/21)

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