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: …
History
The Orange County Flood Control District (OCFCD), established May 23rd , 1927 under authorization of the Orange County Flood Control Act, Chapter 723 of the State of California Statutes of 1927, was…
CEFCAC Funding Criteria
Through the City Engineers Flood Control Advisory Committee (CEFCAC) process, flood control projects are selected and slated into a long range plan. The Orange County Flood Control District (OCFCD)…
Glossary of Terms
A100-Year (or Base) Flood:A flood event that statistically has a 1 out of 100 (or one percent) chance of being equaled or exceeded on a specific watercourse in any given year. The base flood is the…
Project Plan
Through the City Engineers Flood Control Advisory Committee (CEFCAC) process, flood control projects are selected and slated into a long range plan. The Orange County Flood Control District (OCFCD…