The Clearwater Master Facilities Plan and New Ocean Discharge System EIR/EIS

Categorized Under: Environment



ICF prepared a joint Environmental Impact Report (EIR)/Environmental Impact Statement (EIS) document for the Sanitation Districts of Los Angeles County and U.S. Army Corps of Engineers, which included a project-level California Environmental Quality Act (CEQA) and National Environmental Policy Act (NEPA) analysis of a new ocean discharge system as part of the Clearwater Program and a programmatic CEQA analysis of a new master facilities plan (MFP) for the Joint Outfall System (JOS) through 2050.

The JOS facilities currently serve approximately 5 million people and treat an average of approximately 450 million gallons of wastewater per day. The Sanitation Districts currently utilize two onshore tunnels and four offshore ocean outfalls to convey effluent from their Joint Water Pollution Control Plant (JWPCP) in the City of Carson to the Pacific Ocean. The two tunnels were constructed in 1937 and 1958 and have not been inspected in over 50 years. Inspection of the tunnels is not possible due to their length, limited access, lack of separation between the tunnels, and constant flow through the tunnels.

The Clearwater Program required coordination with multiple federal, state and local agencies as part of the CEQA-NEPA analysis as well as for the regulatory permitting part of the project. These agencies included the National Marine Fisheries Service (NMFS), California Coastal Commission, U.S. Mineral Management Service, Port of Los Angeles, U.S. Environmental Protection Agency (EPA), and U.S. Fish and Wildlife Service (USFWS), among others.

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Insight Details

Client: Sanitation Districts of Los Angeles County and U.S. Army Corps of Engineers
Location: CA

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