Tanks · Fittings · Relief valves
Water heater leak cleanup for homes and condos in central and northeast Maryland
A tank water heater holds a lot of water and is connected to a supply that refills it as fast as it drains. When the tank or its fittings fail, water can keep coming until someone closes the inlet. We connect you with local crews who clear the water and dry the space around it.
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Tell us whether it's a drip or water spreading across the floor.
Call to Arrange a CrewWhat a water heater leak involves
A standard tank water heater stores heated water under supply pressure. A cold-water line feeds it at the top, and a hot line carries water out to the house. If the tank itself corrodes through, or a fitting, valve or drain cock fails, water escapes at the base or from the top, and the supply keeps topping it up.
Where the heater sits decides how much damage follows. In a basement with a floor drain nearby, much of the water may run away on its own. In a hall closet in a condo, an upstairs laundry or a finished utility room, it spreads across floors and down through ceilings into rooms and units below.
Stop the water
Close the cold-water inlet valve on the pipe entering the top of the tank. If you can't find it or it won't turn, close the main shutoff. Turning off the heater's fuel or power is a question for a plumber or your utility. If water is near outlets or panels, do not enter and call your utility and emergency services.
Signs of a failing water heater
- Water pooling at the base of the tank
- Rust-colored water, or rust and flaking at the bottom of the tank
- Moisture or corrosion at the top fittings
- Water dripping from the pipe attached to the relief valve on the side
- Rumbling or popping sounds from sediment inside the tank
- Hot water that runs out faster than it used to
- A drain pan under the tank holding water
A little water at the base doesn't always mean the tank has failed. It can be condensation, a leaking fitting above running down the side, or the relief valve discharging. A plumber can tell which, but a tank that's leaking through its own wall can't be repaired.
Why water heaters leak
Tank corrosion
Every tank has a sacrificial anode rod that corrodes instead of the steel. Once it's used up, the tank itself starts to corrode, usually from the bottom where sediment collects. Eventually it rusts through.
Sediment buildup
Minerals settle at the bottom of the tank over the years. They make the heater work harder, cause those rumbling sounds and speed up corrosion at the base.
Relief valve discharge
The temperature and pressure relief valve opens if pressure or temperature inside gets too high. It may also leak as it wears. Either way, water comes out of the discharge pipe running down the side of the tank.
Fittings and connections
Supply connectors, the drain valve at the bottom, and threaded fittings at the top can all leak independently of the tank.
Age
Tanks don't last forever. The manufacture date is usually encoded in the serial number on the label, and a tank that's many years old is worth watching.
Tankless units
Tankless heaters hold far less water, but their fittings, relief valves and condensate lines can still leak, often inside a closet or on a wall where nobody looks.
The first hour
Once the inlet is closed, the tank stops refilling, but it may keep draining until it's empty. Move boxes and belongings away from the heater and photograph the tank, the label, the floor around it and anything below. A plumber replaces or repairs the heater; the restoration crew handles the water.
In condominiums and apartments
In many garden-style and mid-rise buildings, each unit has its own heater in a closet, stacked above the closets of the units below. A tank failure on an upper floor often shows up first as water in a neighbor's closet ceiling. Let the unit below and the management office know right away.
If you rent
Tell the landlord or manager immediately. The water heater usually belongs to the owner, and both its replacement and the cleanup need their approval.
A closet heater upstairs often shows up first in the ceiling below.
Water Coming Through the Ceiling? Call NowHow water heater leak damage is handled
Confirm the supply is closed
The crew checks the inlet or main and whether the tank is still draining.
Extract
Standing water around the heater and in nearby carpet or pad is removed.
Measure beyond the closet
Readings follow water under walls into adjacent rooms, and down into ceilings below on upper floors.
Remove damaged materials
Swollen closet flooring, the bottom of closet drywall and wet ceiling materials below are removed where readings show they won't dry.
Dry
Dehumidifiers and air movers, with the closet opened and ceiling cavities vented where needed.
Coordinate with the plumber
Where possible, drying is arranged so the new heater can go in without undoing it.
Final readings and records
You get documentation of the loss, what was removed and final readings.
What affects time and cost
- How long the tank leaked before anyone found it
- Basement slab with a floor drain versus a closet over finished rooms
- Whether water reached units below
- Carpet, hardwood or laminate near the heater
- How quickly the heater is replaced, since the old one may need to come out first
Cleanup and drying are priced before work starts. The heater and its installation are the plumber's.
No surprises on the cleanup bill.
Call for Upfront PricingAfter the water is dealt with
When the new heater goes in, a few additions reduce the damage from the next failure:
- A drain pan under the tank, piped to a floor drain where possible
- A water alarm on the floor beside the heater
- An automatic shutoff valve that closes the supply if it senses water
- A relief valve discharge pipe that runs to a drain or pan
- Periodic flushing to reduce sediment, and checking the anode rod
Keep the crew's records, your photos and the old tank's label information together. If you're contacting your insurer, what applies depends on your individual policy, so check with them directly.
Related services and areas
Related services
- Basement Water Damage
- Appliance Leak Water Damage
- Ceiling Water Damage Repair
- Condo & Shared-Building Water Damage
- Wet Carpet & Flooring Drying
- Structural Drying & Dehumidification
Regions
Questions
Water heater leak questions
Close the cold-water inlet valve on the pipe going into the top of the tank. That stops it refilling. If you can't find that valve or it won't turn, close the main shutoff for the house. The tank may keep draining what's already in it until a plumber arrives.
If the leak is from a fitting, valve or connection, often yes. If the tank itself has corroded through, no. It has to be replaced. A plumber can tell which you have, usually quickly.
That pipe is attached to the temperature and pressure relief valve. Water from it means the valve is releasing, either because it's doing its job or because it's worn and leaking. It's worth having a plumber check promptly either way.
It can be the first sign of a tank failing, or it can be condensation or a drip from a fitting above. Wipe it up and check again later. If it keeps coming back, have it looked at before a small leak becomes a large one.
It varies with water quality, maintenance and the unit itself. The manufacture date is usually in the serial number on the label, and the manufacturer can tell you how to read it. An older tank with rust at the base is a candidate for replacement before it fails.
The closet floor, the walls around it and, on upper floors, the ceiling of the unit below. Stacked closets are common in garden-style buildings, so one failed tank can affect the unit directly underneath. A drain pan and water alarm reduce that risk.
It's supply water, so it's generally treated like any clean leak. It can carry rust and sediment from the bottom of the tank. If it sat for a long time, or mixed with anything else on the floor, the crew will assess it on site.
Yes, and it usually should. The old heater may need to be removed first so the crew can reach the floor and walls behind it. Crews and plumbers often coordinate so the replacement goes in without getting in the way of drying.
Less water is at stake since they don't store much, but their connections, relief valves and condensate lines can leak. Because they're often mounted in closets or on walls, a slow drip can go unnoticed. The cleanup is the same, just usually smaller.
Tank let go? Close the inlet and call.
We'll connect you with a local crew to clear the water and dry the closet, basement or ceiling it reached.
Around the clock, including weekends and holidays.
Call Now: (833) 869-1696