MT. VERNON — The Mt. Vernon Fire Department will continue fire hydrant testing this coming week. The areas to be tested will be south of Broadway from 20th to 27th Streets, south of Veterans Memorial Drive from 30th to 42nd Streets, and north of Broadway from 27th to 34th Streets. There will be no testing performed on July 4th. Residents are cautioned that testing can cause discoloration in the water supply in the area being tested.