Storm Water Program
PHASE I MUNICIPAL PROGRAM - Phase I MS4 Area Wide Permits
Region 1 | Region 2 | Region 3 | Region 4 | Region 5 | Region 6 | Region 7 | Region 8 | Region 9 | Questions
Region 1
- City of Santa Rosa, Sonoma County Water Agency and County of Sonoma - Order No. R1-2009-0050
Region 2
- Municipal Regional Stormwater NPDES Permit - Order No. R2-2009-0074
Region 3
- City of Salinas Municipal Storm Water Discharges - Order No. R3-2012-0005
Region 4
- City of Long Beach Order No. 99-060
- County of Los Angeles and the Incorporated Cities Therein except the City of Long Beach Order No. R4-2012-0175
- Ventura County Municipal Separate Storm Sewer (MS4) Permit Order R4-2010-0108
- Standard Urban Storm Water Mitigation Plan (SUSMP)
Region 5
- Cities of Citrus Heights, Elk Grove, Folsom, Galt, Rancho Cordova, Sacramento, and County of Sacramento, Storm Water Discharges from Municipal Separate Storm Sewer System
Order No. R5-2008-0142, Waste Discharge Requirements/Monitoring & Reporting Program/NPDES Permit No. CAS082597, Adopted on 11 September 2008 - County of Kern and City of Bakersfield Discharges from Municipal Separate Storm Sewer System Order No. 5-01-130
- County of Fresno, Fresno Metropolitan Flood Control District, California State University Fresno, and the Cities of Fresno and Clovis Discharges from Municipal Separate Storm Sewer System Order No. 5-01-048
- City of Antioch, City of Brentwood, City of Oakley, Contra Costa County, and Contra Costa County Flood Control and Water Conservation District Storm Water Discharges from Municipal Separate Storm Sewer System Order No. R5-2010-0102.
- City of Modesto Storm Water Discharges, R5-2008-0092
- City of Stockton and County of San Joaquin Storm Water Discharges, R5-2007-0173
- County of Sacramento and Cities of Citrus Heights, Elk Grove, Folsom, Galt, and Sacramento Stormwater Discharges From Municipal Separate Storm Sewer Systems Resolution - Approving Storm Water Quality Improvement Plan, Adopted on 15 October 2004 - Order No. R5-2008-0142
- Stockton Port District, Facility-Wide Storm Water Discharges From Municipal Separate Storm Sewer System and Non-Storm Water Discharges From the Port of Stockton Order No. R5-2011-0005, Waste Discharge Requirements/Reporting and Monitoring Program, NPDES Permit No. CAS0084077, Adopted on 3 February 2011
- Applicable General Permit
Region 6
- City of South Lake Tahoe, El Dorado and Placer County Order No. R6T-2011-101A1
Region 7
- Riverside County Flood Control and Water Conservation District, County of Riverside, Coachella Valley Water District, Incorporated Cities of Riverside within the Whitewater River Basin Order No. R7-2008-0001
Region 8
- San Bernardino County Transportation, County of San Bernardino and Incorporated Cities of San Bernardino County within the Santa Ana Region - Order No. R8-2010-0036
- County of Orange, Orange County Flood Control District and Incorporated Cities of Orange County within the Santa Ana Region - Order No. R8-2009-0030
- Riverside County Flood Control and Water Conservation District, County of Riverside and Incorporated Cities of Riverside County within the Santa Ana Region - Order No. R8-2010-0033 - NPDES Permit No. CAS618033)
Region 9
- Orange County Municipal Storm Water Permit - Order No. R9-2009-0002
- Riverside County and the Incorporated Cities of Riverside within the San Diego Region NPDES No. CAS0108766 - Order No. R9-2010-0016
- San Diego Municipal Storm Water Permit - Order No. R9-2007-0001
- Final
Model Standard Urban Storm Water Mitigation
Plan (SUSMP)
Questions and Other Information
- Contact the State Waterboard's Storm Water Program (stormwater@waterboards.ca.gov) or call (916) 341-5539
- Phase I Resources - Links




