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NPDES Requirements

Public Works
Michael Lee, Director
915 8th Street, Suite 125, Marysville, CA 95901
Phone: (530)749-5420      Fax: (530)749-5424
email: publicworks@co.yuba.ca.us
National Pollutant Discharge Elimination System - NPDES
The County’s Phase II Municipal Separate Storm Sewer Systems (MS4) NPDES General Permit issued by the State Water Board to the County requires the County to develop and maintain a program to assure that sediment and other pollutants from construction activities do not flow into the County’s storm water drainage system and, subsequently, impact local receiving waters.

Construction
The County’s Permit requires all construction projects that have soil disturbance and pass through plan check or the County’s permitting process to develop and submit an Erosion and Sediment Control Plan (ESCP).

Projects having more than 1 acre of soil disturbance or those projects that are part of a larger common plan may be required to comply with the State Water Board’s Construction General Permit (CGP), which requires the development of a Storm Water Pollution Prevention Plan (SWPPP).  For these larger projects, the CGP-required SWPPP may be submitted in lieu of the ESCP.   Click on the link for more information about the State Water Resources Control Board "Construction General Permit".  Link

For all other projects (small projects) having less than 1 acre of soil disturbance or those that qualify for a waiver or exemption  from the CGP, they must submit an ESCP using the worksheet.

Map showing Yuba County's Urban MS4 Area PDF
Post-Construction Standard Plans  PDF
Erosion and Sediment Control Plan (ESCP) worksheet for Small Construction Projects (submitted for project review) PDF
Checklist for Construction Projects in Yuba County's Urban MS4 area (Internal use only) PDF
Compliance and Site inspection Report (Internal use only) PDF
Acronyms PDF

California Water Board Informational links
Construction Stormwater Program
Porter-Cologne Water Quality Control Act
SMARTS Resources

Other useful links
California Stormwater Quality Association (CASQA)
California Water Code
Caltrans Construction Compliance Evaluation Plan (CCEP)
Caltrans Statewide Stormwater Program