Storm Water Program
Phase II Small Municipal Separate Storm Sewer System (MS4) Program
Please email stormwater@waterboards.ca.gov or call (916) 341-5539 with questions or requests.
- Phase II MS4 Permit Re-issuance Update (Word) (Adobe PDF)
- Small MS4 Annual Report Form (Word) (Adobe PDF ) and Annual Report Guidance (Word) (Adobe PDF )
- Fee Schedule for Municipal Permits
- Phase II Small MS4 General Permit Questions and Answer Document
- View the List of Small MS4 SWMPs Received
- Small Municipal Separate Storm Sewer System General Permit:
- Links to Phase II Resources
- Municipal Historical Documents
