The worst leaks are the ones you cannot see. They run behind walls and under floors for weeks, quietly driving up your bill and soaking the structure of your home.
A jump in your water bill with a dry house often means the leak is in the buried line between the meter and your home. That is water line repair territory, and we locate it before anyone digs.
Signs you have a hidden leak
A hidden leak leaves clues before it ever shows itself. Watch for:
- A water bill that jumps with no change in how much you use.
- A damp spot or bubbling paint on a wall or ceiling.
- A musty or moldy smell that hangs around even after you clean.
- The sound of running water when everything is turned off.
- Warm spots on the floor, which can point to a hot-water line leaking under the slab.
Any one of these on its own is worth a look. More than one at the same time usually means water is getting out somewhere you cannot see.
How to run the meter test
Your water meter can confirm a leak in about an hour, and it costs nothing to try.
- Turn off every water fixture and appliance in the house.
- Find your water meter, usually near the street in a covered box, and read the numbers or note where the small flow indicator sits.
- Wait an hour without using any water, then read it again.
If the numbers moved, water is flowing somewhere with everything off, which means a leak. Many meters also have a small triangular or gear-shaped dial that spins with any flow at all. If it is turning while the house is quiet, you have your answer.
Where hidden leaks usually start
Some spots fail more often than others. Toilets are the quiet culprit: a worn flapper lets water trickle from the tank to the bowl for months without a sound, wasting water day and night. Other common sources are the supply line behind the washing machine, the connections under sinks, water heater fittings, and pipe joints buried inside walls. Outdoor spigots and irrigation lines leak too, often unnoticed because the water soaks straight into the ground.
Why catching it early matters
Water damage compounds. A slow leak that would cost a little to fix today soaks into wood and drywall, and within a couple of days it can grow mold that spreads through the wall cavity. Left long enough, a hidden leak weakens framing and subfloor and becomes a repair that runs into the thousands. Catching it while it is still a damp spot or an odd meter reading keeps it small and cheap.
If the meter moves with every fixture off, use the result as a reason to investigate, not as proof of where the leak is. Review the signs that can make a repair pattern point toward repiping and the steps for limiting damage during an active emergency.
True Plumbing can isolate the source and recommend a targeted leak repair. Call (360) 207-6064 to confirm availability.
