External Weather Links
coming soon
Total Maximum Daily Load TMDLs
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…
Unincorporated Reports and Studies
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…
SANTA ANA REGION WATER QUALITY MONITORING
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: …
BMP Design Manual
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…
Certificates of Correction
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,…
Downloadable Documents
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…
About Us
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…