coming soon

A TMDL (Total Maximum Daily Load) is defined in federal regulations as “the sum of the individual waste load allocations for point sources and load allocations for nonpoint sources and natural…

The Unincorporated Orange County Stormwater Program works to keep pollution out of our flood control channels, creeks, rivers and ocean. The County is regulated by two separate Municipal Stormwater…

The Santa Ana Region Monitoring Plan fulfills the requirements of Phase I MS4 Permit issued by the Santa Ana RWQCB. Maps of the Santa Ana Region monitoring sites is provided in the link below: …

County of Orange/ Orange County Flood Control District BMP Design ManualThe County of Orange/Orange County Flood Control District (County/OCFCD) is subject to two Municipal Separate Storm Sewer…

The County is proposing to develop the Crawford Canyon Park and Crawford Canyon Road Sidewalk Extension Project. The proposed Crawford Canyon Park is a 2.5-acre neighborhood park located at the…