Not sure where to start?
If several drains are backing up, start with multiple drains backed up. For water where it shouldn’t be, see water under the floor. For anything involving sewage, gas, or uncontrolled water, go to emergency plumbing.

Start with what you can see, hear, or smell. These troubleshooting guides explain common causes, what you can safely check yourself, and when to call a plumber.
A drain that clogs again a week or two after you clear it usually has buildup the plunger never removed, or a…
Read the guideA slow drain is a partial clog. It is worth dealing with before it becomes a full stoppage.
Read the guideWhen more than one drain backs up at the same time, the blockage is almost always in the main sewer line, not…
Read the guideDrains that keep backing up are a symptom, not a diagnosis. The cause is usually one of a handful of things, and…
Read the guideGurgling is the sound of air being pulled through water in a trap. It means air is not moving through the drain…
Read the guideA toilet that will not flush, or flushes weakly, usually has a problem in the tank or a clog in the bowl…
Read the guideA running toilet is usually a worn flapper or a fill valve that does not shut off. It is an easy repair…
Read the guideWater around the base of a toilet often means a failed wax seal, which can let wastewater soak the subfloor.
Read the guideNo hot water usually comes from a fuel, power, or ignition problem on the water heater, and sometimes from a failed part…
Read the guideA leaking water heater can be a loose fitting or a failed tank. Which one it is decides whether you repair or…
Read the guidePopping or rumbling usually means sediment at the bottom of the tank, which is common with Dallas’s hard water.
Read the guideLow pressure at one fixture is usually a clogged aerator or cartridge. Low pressure everywhere points to the supply, a valve, a…
Read the guideDamp flooring, warm spots, or water coming up through tile or wood can mean a slab leak, a drain leak, or water…
Read the guideA sudden jump in your Dallas Water Utilities bill usually means a leak, a running toilet, or irrigation, but it is worth…
Read the guideBanging when a valve closes is usually water hammer. Rattling or squealing can mean loose pipes or high pressure.
Read the guideDallas does not freeze often, but when it does, pipes in attics, exterior walls, and garages are at risk, as the February…
Read the guideIf several drains are backing up, start with multiple drains backed up. For water where it shouldn’t be, see water under the floor. For anything involving sewage, gas, or uncontrolled water, go to emergency plumbing.
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