Water heater repair and replacement in Dumfries.

Fuel splits three ways inside the Town of Dumfries: about half the owner homes heat with electricity, four in ten with natural gas, and a little over one in twenty with propane, and the water heater usually runs on whatever the furnace does. On the county side, Montclair leans electric too, while in Cherry Hill about seven owners in ten burn gas. The Town’s utility list names two gas companies, Columbia Gas and Washington Gas; your bill says which one serves your street.

Inside the town limits the permit is the Town’s, not the county’s, and Town Hall runs it its own way. The application goes in with a copy of the contractor’s state license and business license, and the office-use section of the form checks, among other things, whether the address is in the historic district or in the special flood hazard area. Either one can add a step before the new tank goes in.

Where the tank sits depends on the street. In the 1970s and 80s townhouse rows, Williamstown, Port O’Dumfries and South Cove, it’s often a closet or a utility room on the lowest floor, sharing the space with the air handler, and the drain pan under it is what keeps a leak off the finished floor. In the single-family Knolls of Dumfries, built 1985 to 1999, it’s usually a basement, a garage or a utility room. Either way it sits low, which matters on a night like June 26, 2025, when NOAA’s storm records show flash flooding closing roads across the Town and swiftwater rescues near Possum Point Road and Route 1. If water ever reaches the floor your heater stands on, have it checked before it runs again.

On low ground, ask about the flood map before a swap. The Town’s floodplain manager in Public Works will look up whether your parcel is in FEMA’s special flood hazard area, and the statewide code lets the building official ask for a permit there even for work it normally exempts, like an electric tank swapped like for like. A heater that sat in floodwater gets replaced, not relit.