The Secretary, in cooperation with the appropriate State and local authorities, is authorized to participate in the design, planning, and construction of phase 1 of the Orange County Regional Water Reclamation Project, to reclaim and reuse water within the service area of the Orange County Water District in California.

The Federal share of the cost of a project described in subsection (a) of this section shall not exceed 25 percent of the total cost.

The Secretary shall not provide funds for the operation or maintenance of a project described in subsection (a) of this section.