To amend the Reclamation Wastewater and Groundwater Study and Facilities Act to authorize the Secretary of the Interior to participate in the design, planning, and construction of the Truckee watershed reclamation project for the reclamation and reuse of water.

Amends the Reclamation Wastewater and Groundwater Study and Facilities Act to authorize the Secretary of the Interior to participate in the design, planning, and construction of the Truckee Watershed Reclamation Project for the reclamation and reuse of wastewater in and outside of the service area of Washoe County, Nevada. Limits the Federal share of project costs to 25 percent.

Prohibits funds provided by the Secretary from being used for project operation and maintenance.