WASH (97.1 FM) is an iHeartMedia, Inc. radio station located in Washington, D.C.. Known on-air as "Wash-FM", the station has an adult contemporary format. The station also streams its broadcast on iHeartRadio. The station's studios are located in Rockville, Maryland and the transmitter site is in DC's Tenleytown district.WASH has been a soft adult contemporary station in one form or another since the 70s.