Underground Water Leak Detection in Sarasota, FL

Water is leaving your meter but nothing looks wet. SRQ Leak Pros connects you with a local pro who uses acoustic listening, tracer gas and line locating to find buried leaks.

Call (941) 541-0938

Sarasota & Manatee counties
Service lines, slabs, sewers & pools
Homes, condos & businesses
Independent local providers

Quick answer: Underground water leak detection in Sarasota finds leaks in buried pipes without digging blind. A pro runs a meter test, isolates sections, then pinpoints the leak with ground microphones, tracer gas or line locating. The EPA says 9 percent of homes have leaks that waste 50 gallons or more per day.

A buried leak is hard to see in Sarasota. Sandy soil soaks up water fast, and near the coast the ground is often damp anyway. Many owners only learn about a leak from the bill or a utility notice about high use. The goal of underground leak detection is simple: find the exact spot so only one small hole is dug.

What an underground leak search includes

Meter reading with all fixtures off, plus a timed recheck
Isolation of the house, the service line and the irrigation system
Line locating to map where buried pipes actually run
Pressure testing of the suspect section
Acoustic listening along the pipe path
Tracer gas for quiet or plastic-pipe leaks
A marked leak location and a written repair option
A note on whether the leak looks like the utility's side

Where underground leaks hide

Location	Common clue	Often confused with
Service line under lawn	Green or soggy strip	Irrigation overspray
Line under a driveway	Water at the driveway edge or a crack	Rain runoff
Irrigation main or valve	Wet area near a valve box	A service line leak
Pool plumbing	Pool level drops, wet deck edge	Evaporation
Line to a detached garage or guest house	Meter moves when the house is off	A toilet leak
Under the slab	Warm floor, sound of water	Groundwater

Detection methods explained

Wikipedia lists hydrostatic testing, tracer-gas testing, infrared and acoustic methods as standard ways to find pipeline leaks. A local pro picks the tool that fits your pipe and soil.

Acoustic listening. A ground microphone amplifies the hiss of water escaping a pressurized pipe. Works best on metal and rigid pipe.
Tracer gas. The line is drained and filled with a safe gas, often a hydrogen and nitrogen mix. A sensor finds it rising through soil or concrete. Good for plastic pipe and quiet leaks.
Line locating. A transmitter on the pipe lets a receiver trace its path and depth, even under pavers.
Pressure and isolation tests. Closing valves section by section shows which run is losing water.
Thermal imaging. An infrared camera can show the cool or warm trail of a leak near the surface.

Want to try the first steps yourself? Read how to find a water leak underground.

Bill high and the yard looks dry? Call to reach a local underground leak pro.

Call (941) 541-0938

Rusted metal pipe dripping water above long green grass — Water from a hidden leak may seep into the soil long before a wet spot shows on the lawn. Photo: eberhard grossgasteiger / Pexels

How the search works, step by step

Baseline meter check. Every fixture is turned off, and the flow indicator is watched.
Shut the house main. If the meter still moves, the leak is between the meter and the house.
Shut the irrigation. Closing the backflow or irrigation valve shows if the sprinkler system is the culprit.
Trace the line. The pro marks the path of each buried pipe on the ground.
Listen and test. Microphones are moved along the path, with readings compared to find the loudest spot.
Confirm with gas if needed. Tracer gas confirms quiet leaks.
Mark the spot. You get the location and the repair options.

Leak or groundwater? A local challenge

Coastal Sarasota has a shallow water table in many spots. That means a wet yard isn't always a leak, and a leak isn't always wet on top. Meter tests and isolation remove the guesswork. If the meter stops when the house main is closed, the leak isn't in the yard line. If it keeps moving, it is.

What affects the cost

No price is listed here, because it depends on what is found. These factors matter most:

How many lines and sections must be tested
Whether the pipe path is known or must be located
Acoustic only, or acoustic plus tracer gas
Access: lawn, pavers, concrete or a pool deck
Whether the repair is quoted on the same visit

DIY checks vs. calling a pro

Do the meter test first. Then close the main shut-off at the house and recheck. Also shut off the irrigation system. If you can't make the meter stop, or you can't find your main shut-off, call a pro. Don't dig on a guess. Florida requires a call to Sunshine 811 at least two full business days before you dig.

Utility side vs. your side

If the meter is still moving with the house main closed, the leak is usually on your side. If water rises inside the meter box, report it to your utility first. Sarasota County's leak FAQ says its staff check reported leaks and assign each one a priority level. Read who is responsible for the water line for the details.

Local note

Local note: yards near canals in Nokomis and Osprey often stay damp, so meter testing matters more than looking for wet spots. In Lakewood Ranch, large irrigation systems are a common hidden source of water loss.

Can't make the meter stop? Call to reach a local pro who can find the leak.

Call (941) 541-0938

Underground Leak Detection questions

How accurate is underground leak detection?

With the right tools, a pro can usually narrow a leak to a small area, often within a few feet. Accuracy depends on pipe material, depth, soil and background noise.

Can a leak be found in plastic pipe?

Yes. Plastic pipe is quieter, so pros often use tracer gas or line locating along with acoustic tools.

How do I tell an irrigation leak from a service line leak?

Shut off the irrigation system at its valve and watch the meter. If it stops moving, the leak is likely in the irrigation system.

Will the pro dig on the first visit?

Sometimes. Many visits end with the leak marked and a repair quote. The repair may be done the same day or scheduled after 811 marks other utilities.

What if the leak is on the county's side?

If the leak is between the main and the meter, report it to the utility. Sarasota County's field staff check each reported leak and decide whose side it is on.

Sources

Last reviewed November 5, 2026. This page is general information, not professional advice. See the editorial policy for how pages are researched and updated.