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 InformationWhat is a Public Water System (PDF)
New Water Systems Fact Sheet
SB-1263 FAQ (PDF)
Preliminary Technical Report Guidance (PDF)
Permit Application (PDF)
Amended Permit Application (PDF)
Fees for Drinking Water Systems
Technical Managerial and Financial (TMF) Capacity
(Page last updated 06/02/2021)
Drinking Water Resources
Water is a precious resource in California, and maintaining its quality is of utmost importance to safeguard the health of the public and the environment.