Local Flood HazardMap of Local Flood HazardAnnual Progress Report for Floodplain Management Plan The County’s Hazard Mitigation Plan has a floodplain management plan section that includes…

Year Adopted: 1987 Supervisorial District: 5 Cities covered by Moulton Parkway/Laguna Niguel Road Fee Program: Aliso Viejo, Dana Point, Laguna Beach, Laguna Hills, Laguna Niguel, Laguna…

Project Overview The Peters Canyon Bikeway Project is a proposed Bikeway adjacent to Jamboree Road and on Pioneer Road. The bikeway would stretch approximately 2.7 miles through the cities of…

The last three years have seen a dramatic increase in efforts to curb the impacts of urban runoff through collaborative planning processes and regulatory and legislative mandates. OC Flood has made a…

Various methods of flood fighting can be used to try to mitigate the effects of a flood event. Preparation before a flood event, and actions taken during and after a flood event may help lessen the…

Executive DirectorHerbert I. NakasoneExecutive Committee MembersChairmanBruce Whitaker | Chairman, Council Member, City of FullertonVice ChairmanPat Burns | Vice Chairman, Director, OC…

  To protect both upper and lower Mainstem project communities, Seven Oaks Dam, a 550-foot-high and 2,980-foot long rockfill dam with a gross capacity of 147,970 acre feet, has been…

The 1986 Orange County Hydrology Manual and its 1996 Addendum have been calibrated to local watershed conditions. They provide guidance in estimating peak discharges and volumes of storm water runoff…

Safety & Education Introduction Brochures BE FLOOD READY! Flood Safety & Awareness Visit the Be Flood Ready!  web page. Download a PDF of the Be…

Geotechnical Design Report Revised Aerially Deposited Lead Report Material Report Aerial Deposited Lead Report