A water heater leak is a plumbing failure that wets the floor and the bottoms of nearby walls. Slow drips from a fitting can run for weeks, while a failed tank can release its contents at once, so the first job is stopping the supply.
Stop the supply first
The owner shuts the cold supply valve above the tank, switches off the power or gas to the heater and photographs the leak. Then a plumber diagnoses the tank, fitting or valve. Plumbing work in Sterling goes through the Building Department, and fees run per inspection plus per fixture or appliance, so the owner should ask the plumber and the department what the repair needs.
- Shut the cold supply valve above the tank.
- Switch off electric power or close the gas valve.
- Photograph the tank, the floor and the wet walls.
- Move stored items off the wet floor.



