Public Buildings Water Conservation Act

Public Buildings Water Conservation Act - Amends the Public Buildings Act of 1959 to require the Administrator of General Services: (1) to establish a water conservation program for public buildings; (2) to prescribe minimum water efficiency standards for new public buildings; (3) to require, during building construction or repair, the installation of water supply and removal equipment which meets certain water efficiency standards; (4) to promulgate, after consultation with the Director of the National Bureau of Standards, minimum efficiency standards for each type of water supply and removal equipment; (5) to survey existing public buildings to determine the priority for needed water efficient equipment, and (6) to replace existing water equipment in such buildings. Authorizes appropriations to carry out this Act.