NPDES

SANTA ANA WATERSHED PROTECTION PROGRAM


On January 29, 2010 the Santa Ana Regional Water Quality Control Board issued a fourth-term area wide National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System Permit (MS4 Permit) to the Riverside County Flood Control and Water Conservation District (the Principal Permittee), the County of Riverside and the Cities of Beaumont, Calimesa, Canyon Lake, Corona, Hemet, Lake Elsinore, Moreno Valley, Menifee, Norco, Perris, Riverside, San Jacinto and Wildomar (Permittees). The Santa Ana MS4 Permit is for the portion of the Santa Ana River watershed located within Riverside County (Order No. R8-2010-0033, NPDES Permit No. CAS618033). The Permittees’ stormwater programs are designed to ensure compliance with this permit. On June 7, 2013 the Santa Ana Regional Water Quality Control Board amended the permit (Order No. R8-2013-0024) to include the Cities of Eastvale and Jurupa Valley. On January 29, 2015 the Permittees received an administrative extension of the Riverside County Municipal Stormwater Permit (NPDES No. CAS618033) from the Santa Ana Regional Water Quality Control Board.


Member Agencies

The Riverside County Flood Control and Water Conservation District is the Principal Permittee of the Santa Ana MS4 Permit.

Co-permittees: Beaumont
Calimesa
Canyon Lake
Corona
Eastvale
Hemet
Jurupa Valley
Lake Elsinore
Menifee
Moreno Valley
Norco
Perris
Riverside
San Jacinto
County of Riverside

Compliance Documents

WQMP WAP DAMP Annual Reports ROWD Maps TMDL Monitoring LIP

Benefit Assessment

Benefit Assessments are apportioned on the basis of proportionate stormwater runoff generated by each parcel. This method of assessment is consistent with State law and the District Act. The amount of benefit is computed based on parcel size (acreage) and use classification. The fee is referenced on property tax bills as "FLDCNTL Stormwater/ clean water".

For Questions Regarding the Stormwater Benefit Assessment Fees, please contact the District’s consultant: Webb and Associates, 1-800-439-6553.

Santa Ana Watershed
Engineer's Report:
FY 17/18 FY 16/17 FY 15/16 FY 14/15 FY 13/14

Applications & Forms


Landscaping, Pest Management and other Informationals


Additional Resources


© - Riverside County Flood Control and Water Conservation District