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The Colorado River Basin Regional Water Quality Control Board issued a National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System Permit (MS4 Permit) to the Riverside County Flood Control & Water Conservation District and County of Riverside (as Principal Permittees) and co-permittees (Order No. R7-2013-0011).

Member Agencies

The Riverside County Flood Control and Water Conservation District and the County of Riverside are the Principal Permittee of the Whitewater MS4 Permit.

Co-permittees: Banning
Coachella Valley Water District
Palm Springs
Cathedral City
Desert Hot Springs
La Quinta
Rancho Mirage
Indian Wells
Palm Desert

Compliance Documents

Annual Reports SWMP WQMP ROWD Maps TMDL Other

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.

Whitewater Watershed
Engineer's Report:
FY 20/21 FY 19/20 FY 18/19 FY 17/18 FY 16/17

Applications & Forms

Landscaping, Pest Management and other Informationals

Additional Resources

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