To authorize the Secretary of the Interior to participate in the Alamitos Barrier Recycled Water Project and in the Long Beach Water Desalination and Reuse Research and Development Project.

[AI summary unavailable — showing source text] Authorizes the Secretary of the Interior to participate in the design, planning, and construction of: (1) water reclamation and reuse projects to treat effluent from the city of Long Beach in order to provide new water supplies, reduce the demand for potable imported water, and decrease the amount of sewage effluent released into the Long Beach Harbor; and (2) the Long Beach Desalination and Reuse Research and Development Project to demonstrate innovative water desalination and reuse technology to reduce the demand for imported water in southern California. Limits the Government's share to 50 percent of the total cost of any such project, excluding operation or maintenance costs.…