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Charlotte metro · NC & SC

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Water dripping from a chrome faucet

Charlotte · Mecklenburg County

Leak Detection in Charlotte

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Hidden leaks in Charlotte homes show up in a few typical places: supply lines running through crawl spaces, fittings on original polybutylene in 1980s and early-1990s subdivisions, attic water heater connections, and the underground service line crossing the yard through red clay.

Leak Detection in Charlotte

  • Common sign

    Water bill up with no change in use

  • First step

    Confirm a leak

  • Service area

    Charlotte · Mecklenburg County

Local conditions

What's different about leak detection in Charlotte

Hidden leaks in Charlotte homes show up in a few typical places: supply lines running through crawl spaces, fittings on original polybutylene in 1980s and early-1990s subdivisions, attic water heater connections, and the underground service line crossing the yard through red clay.

A high water bill with no visible drip is the usual first clue. Turning off every fixture and watching the meter's leak indicator tells you whether water is moving; a spinning indicator means a leak somewhere on your side of the meter.

Plumbers pinpoint leaks with pressure testing to isolate the line, acoustic listening devices, thermal imaging for hot-water lines, and tracer gas for buried pipe. Finding the exact spot keeps holes in drywall and trenches in the yard small.

Charlotte Water may offer a leak adjustment on a bill after a repaired leak; keep the repair invoice.

More about plumbing in Charlotte →·North Carolina regional guide →

A hidden leak usually shows up as a higher water bill, the sound of running water with everything off, a damp spot, or a musty smell. Leak detection finds the source without opening more wall, floor or yard than necessary.

Test for a leak yourself first

  • Turn off every faucet, toilet, appliance and irrigation zone.
  • Look at the water meter's leak indicator or note the reading, then check again after 30 minutes without using water.
  • If it moved, there's a leak somewhere between the meter and the fixtures.
  • Close the main shutoff and check again: if the meter still moves, the leak is on the service line between the meter and the house.

How plumbers find hidden leaks

Plumbers use acoustic listening equipment, pressure tests on isolated sections of pipe and thermal imaging to narrow a leak down before opening anything. Common hidden leak locations include slab supply lines, pipes in exterior walls or crawl spaces, toilet flappers and the buried service line. See signs of a slab leak.

Charlotte Water leak adjustments

Will Charlotte Water credit my bill for a leak?

For leaks on the private side, beyond the meter outlet, Charlotte Water's leak policy offers a partial credit on excess water, with limits on how many adjustments you can get in a year. You'll need a plumber's statement or receipt showing the leak was fixed. Leaks at the meter itself are the utility's responsibility. Check the current terms with Charlotte Water at 311 or 704-336-7600.

Hiring a plumber for this job: leak detection in Charlotte

SteadWell is a free referral service, not a plumbing company. We connect you with an independent, licensed plumber who serves Charlotte; that plumber prices the job and stands behind the work.

  • Confirm the North Carolina license with the State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors.
  • Ask how the leak will be located before any wall or floor is opened.
  • Keep the plumber's repair receipt for a Charlotte Water leak adjustment.

What leak detection is looking for in Charlotte

  1. 1. Local condition

    Mild winters mean a small freeze crack can go unnoticed for weeks.

  2. 2. Risk to the home

    Leaks under a crawl space or inside a wall show up only on the bill or as a damp smell.

  3. 3. What goes wrong

    Usage higher than the same month last year with no change in habits.

  4. 4. What to do

    Turn off every fixture and watch the meter; if it moves, schedule leak detection.

Water actively leaking or backing up? Go to 24-hour emergency help in Charlotte

Beyond Charlotte: the full leak detection guide

More on leak detection: signs, steps and costs.

Leak Detection questions from Charlotte homeowners

How do I know if I have a water leak?

Turn off all water and check whether the meter moves.

Can a leak raise my sewer bill too?

Yes, if the water goes down a drain. Charlotte Water's leak policy treats sewer credit differently depending on whether the water reached the sewer.

What's the most common hidden leak?

A running toilet flapper. A dye test in the tank finds it.

Can a plumber find a leak without breaking walls?

Usually they can narrow it to a small area first, so only a small opening is needed.

What do I need for a leak adjustment?

A plumber's statement or receipt showing the repair.

Mecklenburg County

Leak Detection near Charlotte

Need leak detection in Charlotte?

Common sign: water bill up with no change in use.

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