Santiago Basin Saddle Repair Project


SCH Number
Lead Agency
Orange County Water District
Document Title
Santiago Basin Saddle Repair Project
Document Type
MND - Mitigated Negative Declaration

Document Description
(1) reconstruct the flow equalization box culvert for protection of the saddle apron and (2) reconstruct failure slopes to (a) alleviate safety concerns when maintenance activities are occurring and (b) reduce risk of future slope failure that would harm or destroy riparian vegetation and environmental resources. The Proposed Project activities include the dewatering of the basin, stabilization of the saddle side slopes, reconstruction of the saddle apron, reconstruction of an equalization box culvert for the protection of the saddle apron, and restoration of any vegetation removed for the Proposed Project.

Contact Information
Shawn Nevill
Orange County Water District
18700 Ward Street
Fountain Valley, CA 92708

(714) 378-3256


Fountain Valley
Cross Streets
Hewes Avenue and Villa Park Road
State Highways
SR 55
Linda Vista Elementary
Santiago Creek, Santiago Recharge Basins
T4 Sou
R9 Wes

Notice of Completion

Review Period Start
Review Period End
Development Type
Water Facilities (Recharge Basin Type)
Local Action
Section 404
Project Issues
Wetland/Riparian Water Supply Water Quality Vegetation Traffic/Circulation Toxic/Hazardous Solid Waste Soil Erosion/Compaction/Grading Recreation/Parks Public Services Population/Housing Balance Noise Minerals Geologic/Seismic Forest Land/Fire Hazard Flood Plain/Flooding Drainage/Absorption Biological Resources Archaeologic-Historic Air Quality Agricultural Land Aesthetic/Visual
Reviewing Agencies
Cal Fire California Department of Parks and Recreation California Highway Patrol Caltrans, District 12 Department of Fish and Wildlife, Region 5 Department of Water Resources Native American Heritage Commission Office of Historic Preservation Regional Water Quality Control Board, Region 8 Resources Agency State Lands Commission State Water Resources Control Board, Division of Drinking Water State Water Resources Control Board, Division of Drinking Water, District 8 State Water Resources Control Board, Divison of Financial Assistance


Environmental Document
Appendix F - Santiago Basin Noise Memo   PDF 639 K Appendix E - AB52 Consultation   PDF 11349 K Appendix D - Santiago Basins Saddle Repair Cultural Resource   PDF 3460 K Appendix C - Biological Resources Assessment   PDF 1208 K Appendix B - Santiago Basin AQ-GHG Memo   PDF 413 K Appendix A - Streambed Alteration Agreement   PDF 1162 K Public Review Draft ISMND OCWD Santiago Basin Saddle Repair   PDF 8182 K OCWD Santiago Basins Notice of Intent   PDF 175 K SUM FORM   PDF 48 K
NOC   PDF 515 K
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