The Federal Government shall only pay for the number of main pipes of the Washington Aqueduct needed to furnish public buildings, offices, and grounds with the necessary supply of water.
The District of Columbia shall pay the cost of any main pipe of the Washington Aqueduct which supplies water to the inhabitants of the District of Columbia, in the manner provided by law.
(Pub. L. 107–217, Aug. 21, 2002, 116 Stat. 1234.)