Water Meter Spinning With All Water Off: What It Means

What are the 4 causes of a water meter spinning with the water off?

The 4 causes of a water meter spinning with the water off are listed below.

• A running toilet refills the tank.
• A hidden leak drips in a wall or under a slab.
• The main water line leaks between the meter and the house.
• An outdoor spigot or irrigation valve is open or broken.

Does a spinning water meter always mean a leak?

Yes, a water meter that moves while every fixture, appliance and irrigation system is off means a leak.

What should you do when the water meter spins?

The 4 things you should do when the water meter spins are listed below.

1. Close the main shut-off valve inside the house.
2. Check whether the meter stops.
3. Test each toilet for a running flapper.
4. Call a plumber for leak detection.

When should you call a plumber?

You should call a plumber in the 4 situations below.

• The meter stops when the main valve closes, which points to a leak inside the house.
• The meter keeps moving with the main valve closed, which points to the main water line.
• The toilets test clean.
• Wet spots show in the yard.

Related plumbing problems and next steps

How much does the plumbing repair cost?

The plumbing repair cost depends on the leak: main line leak repair costs $300–$4,000, according to HomeAdvisor. Leak detection prices and local plumbers are on the leak detection in Lancaster County page.

What is a related plumbing problem?

A related plumbing problem is high water bill no visible leak, and the high water bill no visible leak guide lists its causes and first steps.

Written and fact-checked by the Lancaster PA Plumbers editorial team using HomeAdvisor, EPA WaterSense and City of Lancaster data. Last updated October 29, 2026.