Body FIRM Instructions To get access to the FEMA Flood Insurance Rate Maps (FIRM), click here . To find a flood map for a specific address or landmark, you may type an address in the search bar or use the Address Search option on the left side of the MSC homepage...

Body In this section you will find informational resources including online maps, reports, manuals, and links to County Standard Plans and other government resources. Reference Materials (in PDF format) Master Plan of Arterial Highways (MPAH) Find links to the Orange County Transportation Authority’s Road Master Plan, covering freeways, arterial highways and...

Body SAR Projects involving OCFCD Year Began Estimated Year Complete Total Cost Lower Santa Ana River 1989 2020 618 Million Seven Oaks Dam 1994 1999 534 Million Prado Dam 1996 2021 880 Million In 1989, the Corps of Engineers estimated the costs of the Santa Ana River Project for each feature...

Body The proposed 54-inch-diameter pipeline will tie into the existing SARI Line just upstream of the existing metering station at the Green River Golf Club. The pipeline will then cross the golf course to the south bank of the river where it will be located under the existing bikeway before proceeding...

Body OC Infrastructure Programs manages OC Public Works' Road and Bridge, Flood, and Bikeway Projects approved by the County of Orange Board of Supervisors and listed in the 7-Year Capital Improvement Program. Visit our 7-Year Capital Improvement Program page for direct links to downloadable project lists and interactive maps.

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

Body IMPORTANT UPDATE: For information about removal of citrus trees on flood control property, see Citrus Orchard section below. Where is the Santa Ana River Canyon Habitat Area? The Santa Ana River Canyon Habitat Area is comprised of approximately 1,100 acres of canyon habitat along the Santa Ana River from downstream...

Body Introduction The Santa Ana River Mainstem Project is designed to provide flood protection to the growing urban communities in Orange, Riverside and San Bernardino Counties . The proposed improvements to the system cover 75 miles, from the headwater of Santa Ana River east of the city of San Bernardino to...

Body The San Juan Creek Flood Risk Management Feasibility Study is a joint study between the United States Army Corps of Engineers and the Orange County Flood Control District. The purpose of this feasibility study is to evaluate flood risk management alternative measures along the lower portions of San Juan, Trabuco...