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NPDES Guidance For Transportation Department Projects
The Riverside County Transportation Department complies with the National Pollutant Discharge Elimination System that is also known as NPDES. There are three (3) Regional Boards in Riverside County: the Santa Ana, San Diego, and Colorado River Regional Water Quality Control Boards. Each jurisdiction imposes regulations and permit requirements that regulate water quality in Riverside County.
For road design considerations and compliance guidance, please click on the following link: http://www.rcflood.org/NPDES