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…

OC Watersheds receives many questions through the phone hotline and online spill reporting. The following are some of the most commonly asked questions. If you have other questions, please feel free…

The documents provided on this page are in PDF format and you will need the Adobe Acrobat plugin to view these pages. If you cannot access these files and you are interested in the information,…

The documents provided on this page are in PDF format and you will need the Adobe Acrobat plugin to view these pages.If you cannot access these files and you are interested in the information, please…

The surveyor shall be a person authorized to practice land surveying in this state. The surveyor shall be elected in the same manner and for the same term as other county officers unless the board of…

The Field Survey Section performs this array of surveying tasks utilizing some of the most efficient, technologically advanced equipment available. Robotic Total Stations and Global Positioning…