Open 24 hours · 7 daysDiamond Bar, CA · Since 2005
(909) 850-3428
Pressure gauge and red valve on an outdoor water pipe

Water Line Leak Detection in Diamond Bar

A rising bill or a meter that never stops does not tell you where the leak is. We find it first, so the digging goes in the right place.

  • Since 2005
  • Open 24 hours, 7 days
Call (909) 850-3428

Overview

Finding a leak you cannot see

Underground leaks are frustrating because the evidence is indirect. The water bill jumps, the meter creeps forward overnight, or one patch of lawn stays green in August. None of that tells you whether the problem is under the lawn, under the driveway or under the house.

Leak detection is about narrowing that down before anyone starts digging. We confirm that the leak is on the main line rather than a toilet, irrigation valve or water heater, then work along the route of the pipe to find where it is losing water. The result is a smaller, more targeted repair.

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Water meter box cover set in the ground between stones

What's included

What our water line leak detection covers

Meter test

We use your meter to confirm water is being lost and roughly how fast.

Fixture checks

Toilets, irrigation and appliances are ruled out so we know the leak is on the line.

Line tracing

We follow the path of the main from the meter to the house, including any bends.

Pressure testing

Isolating sections of the line helps show which stretch is losing pressure.

Pinpointing the spot

We mark where the leak is most likely so excavation can be kept small.

A clear recommendation

You get a straight answer on whether a repair or a replacement makes more sense.

Worker digging with a long-handled shovel beside an excavator bucket

Step by step

How we track down a leak

  1. Confirm the loss

    With every fixture off, we watch the meter to confirm water is leaving the system.

  2. Rule out the house

    We check common indoor and irrigation culprits so we are not chasing the wrong leak.

  3. Trace and test

    We follow the line's route and test sections to see where pressure is lost.

  4. Mark and explain

    We show you where the leak is and what fixing it involves.

Warning signs

Signs of a hidden leak

A bill that keeps climbing

Higher usage month after month without a change in habits is the most common clue.

A meter that moves at rest

If the dial moves with every fixture off, water is escaping somewhere.

A strip of greener grass

A narrow line of healthy lawn often traces the route of a leaking pipe.

Cracks in a slab or walkway

Soil softened by a slow leak can settle under concrete over time.

Sound of running water

A faint hiss or trickle near the meter or the house with nothing on.

Low pressure at every tap

A leak large enough to drop whole-house pressure needs attention soon.

When to call

When to call for leak detection

Call when your bill rises for two cycles in a row without a reason you can point to, or when the meter moves while the house is quiet. Catching a leak at that stage usually means a smaller dig and a simpler repair.

It is also worth calling before you start any landscaping or hardscape project if you already suspect a leak. Finding it before new pavers or plants go in saves you from tearing them back out.

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FAQ

Water Line Leak Detection questions

Do I need leak detection if I can already see water?

Sometimes not. Water surfacing in one spot often shows the leak's location. But water can travel along the pipe before it surfaces, so we still confirm the source before digging.

Can a leak be under the house instead of the yard?

Yes. If the main runs under the slab, the leak may be inside the footprint of the house. In that case rerouting the line is often easier than breaking the floor.

How long does leak detection take?

Many homes take a short visit. Long runs, deep lines or lines under hardscape take longer.

Is it worth testing an older line that has not leaked yet?

If you are planning a remodel, new landscaping or a sale, an inspection can tell you whether the line is near the end of its life.

What if the leak turns out to be inside the house?

We will tell you what we found. If it is not part of the main line, we explain what kind of repair it needs.

Nearby

Water Line Leak Detection near you

Water Line Leak Detection is available in Diamond Bar and nearby cities, including these.

Related

Related water line services

High bill or a spinning meter? Call us.

We will help you find the leak and fix only what needs fixing.

(909) 850-3428
Call (909) 850-3428