Water Supply Technologies Act of 2002

Water Supply Technologies Act of 2002 - Establishes within the Department of Energy a Water Supply Technologies Program consisting of an arsenic removal program, a desalination program, a water and energy sustainability program, and a water supply security program. Directs the Secretary of Energy to appoint a Deputy Assistant Secretary for Water Supply Technologies to head the Program. Authorizes the Deputy Assistant Secretary to enter into contracts with specified groups.

Directs the Deputy Assistant Secretary to: (1) grant the American Water Works Association Research Foundation a contract to develop and demonstrate innovative arsenic removal technologies; (2) in conjunction with the Commissioner of Reclamation, carry out the desalination program in accordance with the Energy and Water Development Appropriations Act of 2002; (3) collaborate with various specified groups in carrying out the water and energy sustainability program, which shall include development of advanced modeling and decision analysis tools; and (4) grant the American Water Works Association Research Foundation a contract to carry out the water supply security program in conjunction with the Assistant to the President for Homeland Security with the goal of developing systems to provide early warning of potentially hazardous contaminants in municipal water systems.

Authorizes the Secretary to accept in-kind contributions to help carry out the Program.

Amends the Safe Drinking Water Act to allow extensions of the time limits for water systems to comply with a maximum containment level or treatment technique under specified circumstances.