Westminster East Garden Grove Study

2 Documents in Project


SCH Number
Lead Agency
U.S. Army Corps of Engineers
Document Title
Westminster East Garden Grove Study
Document Type
OTH - Other Document

Document Description
Note: Joint Document - NEPA/CEQA; NOI/NOP, Review Per Lead The project identifies the federal interest in flood risk management within the Westminister Watershed. The No Action Alternative along with three Action Alternatives were carried forward for analysis. The Tentatively Selected Plan is the Minimum Channel Modifications Plan, which includes implementing the minimum channel modifications in individual reaches of C02 (Bolsa Chica Channel), C04 (Westminister Channel), C05 (East Garden Grove-Wintersburg Channel), and C06 (Ocean View Channel). The TSP also includes increasing the span of Warner Avenue Bridge, replacing the tide gates on C05, and constructing a floodwall along the PCH at Outer Bolsa Bay. Compatible nonstructural measures would be incorporated to lessen the life safety risk associated with flooding in the project area.

Contact Information
Shawna Herleth-King
U.S. Army Corps of Engineers
231 S. LaSalle Street, Suite 1500
Chicago, IL 60604



Westminster Stanton Seal Beach Santa Ana Orange Los Alamitos Huntington Beach Garden Grove Fountain Valley Cypress Buena Park Anaheim, Stanton, Cypress, Buena Park, Orange, Santa Ana, ... Anaheim
Cross Streets
Various; Seal Beach Naval Weapons Station, Los Alamitos Armed Forces Training Base
Total Acres
87 sq mi
Parcel #
State Highways
Pacific Coast Hwy - SR1
UPRR, BNSFF, Metrolink
Los Alamitos Airfield FAA SL1
CO5, CO6, CO2, CO4, Bolsa Bay, Outer Bolsa Bay

Notice of Completion

Review Period Start
Review Period End
Local Action
Other Action Other Action: FRM study
Project Issues
Cumulative Effects Landuse Growth Inducing 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 Flood Plain/Flooding Fiscal Impacts Economics/Jobs Drainage/Absorption Coastal Zone Biological Resources Archaeologic-Historic Air Quality Agricultural Land Aesthetic/Visual
Reviewing Agencies
Regional Water Quality Control Board, Region 8 Caltrans, District 12 Department of Conservation Department of Fish and Wildlife, Region 5 Native American Heritage Commission California Coastal Commission California Department of Boating and Waterways California Department of Parks and Recreation California Highway Patrol California Public Utilities Commission Caltrans, Division of Aeronautics Department of Fish and Wildlife, Marine Region Department of Toxic Substances Control Department of Water Resources Office of Emergency Services, California Office of Historic Preservation Resources Agency San Gabriel & Lower Los Angeles Rivers & Mountains Conservancy State Lands Commission State Water Resources Control Board, Division of Water Quality
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