The District of Columbia Water and Sewer Authority (WASA) will once again take a water main out of service this evening, Thursday, September 23, 2004, for an emergency air valve replacement.

Crews will begin installing a new air valve at 17th and R Streets, N.W. beginning at 12 midnight tonight and are expected to be finished Friday, September 24 by 6:00 a.m.

The affected area is 17th Street, NW between Q and Church Streets, NW and T Street NW between New Hampshire Aveune and Swan Street. Residents may experience low water pressure while the repair is taking place.

Residents with problems during this emergency repair can contact the WASA 24-Hour Emergency Hotline at 612-3400.