Foothill Retarding Basins Operation and Maintenance Manual (IP No. 11-007)

2 Documents in Project


SCH Number
Lead Agency
Orange County Flood Control District
Document Title
Foothill Retarding Basins Operation and Maintenance Manual (IP No. 11-007)
Document Type
MND - Mitigated Negative Declaration
Present Land Use
Land Use: Zoning: General Plan: various

Document Description
Operations and Maintenance Manual for the Foothill Retarding Basins ("O&M Manual"), and for maintenance activities pursuant to the O&M Manual. The nine Foothill Retarding Basins are in the western foothills of the Santa Ana Mountains in Orange County. The Maintenance Manual prescribes maintenance activities including sediment removal, vegetation management, maintenance of structures, and embankment maintenance. A permanent concrete access road and cleaning pad would be installed on 0.15 acre in Round Canyon Basin.

Contact Information
Lisa Cibellis
Orange County Flood Control District
300 North Flower
Santa Ana, CA 92703

Phone : (714) 647-3918


33°45'37"N 117°46'17"W
Irvine Tustin
Cross Streets
Nine locations. Five basins are near SR 241
Total Acres
State Highways
Hwy 241, 133, 261
Agua Chinon Wash, Round Canyon Wash, Bee Canyon Wash, Hicks CW, Peters CW

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Flood Control Facilities - access road & cleaning pad, Round Can)
Local Action
Other Action Other Action: Operation and Maintenance Plan
Project Issues
Aesthetic/Visual Agricultural Land Air Quality Archaeologic-Historic Biological Resources Drainage/Absorption Flood Plain/Flooding Forest Land/Fire Hazard Geologic/Seismic Minerals Noise Population/Housing Balance Public Services Recreation/Parks Schools/Universities Sewer Capacity Soil Erosion/Compaction/Grading Solid Waste Toxic/Hazardous Traffic/Circulation Vegetation Water Quality Water Supply Wetland/Riparian Wildlife Land Use Cumulative Effects
Reviewing Agencies
California Department of Fish and Wildlife, South Coast Region 5 California Department of Parks and Recreation California Department of Transportation, District 12 California Public Utilities Commission California Regional Water Quality Control Board, Santa Ana Region 8 California State Lands Commission Central Valley Flood Protection Board Department of Water Resources Resources Agency California Native American Heritage Commission

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613.

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