High Water Bill? Leak Detection and Water Loss Audits in Whittier

A water bill that jumps without a reason is often the first sign of a leak. The fastest way to find out is to test the meter, then work through the fixtures before you pay for anything bigger.

Call Now (562) 439-3888

Short answer: Check the meter first. With all water off, read it, wait about two hours, and read it again. If it changed, you have a leak. Then test toilets with dye, check faucets and supply lines, and call a provider for a water loss audit if the source is still unclear.

Step 1: the meter test

The meter is the most reliable tool you have because it counts every drop that leaves the utility line. The U.S. EPA recommends this check:

Turn everything off
Stop all water use inside and out, including ice makers, irrigation and softeners if you can.
Read the meter
Note the reading or the position of the low-flow indicator, usually a small dial or triangle.
Wait two hours
Use no water in that time. A shorter wait works for a quick test, but a longer one catches slow leaks.
Read it again
If the reading changed, water is leaking on your property. If the indicator spins right away, the leak is larger.

If the meter does not move but your bill is high, look at usage patterns instead. Seasonal irrigation, a new pool fill, guests or a billing correction can all explain a bill without a leak.

Step 2: the toilet dye test

Toilets are one of the most common silent leaks, and the flapper is usually the part that fails. The U.S. EPA describes a simple test: put a few drops of food coloring in the tank, wait about ten minutes without flushing, and see whether color appears in the bowl. If it does, the flapper or fill valve is leaking. Flush afterward so the dye does not stain the tank.

Faucets, showerheads and exterior hose bibs leak too. A faucet that drips once a second wastes more than 3,000 gallons a year, according to the EPA. Fixture leak testing by a provider covers all of these, along with angle stops and supply lines under sinks.

A technician checking supply and drain connections under a kitchen sink with an inspection monitor on the floor beside him — Fixture leak testing includes checking supply lines, shutoff valves and connections under sinks. Illustrative image. The work is performed by independent providers.

Step 3: isolate the house from the yard

If the meter moves and the toilets are fine, close the main shutoff valve at the house and check the meter again. If the meter stops, the leak is inside the house. If it keeps moving, the leak is outside the main valve, in the yard or along the service line; see irrigation and yard leak detection. When water use is steady but a floor is warm, the leak may be under the house, a case covered by slab leak detection.

What a water loss audit is

A water loss audit is a structured look at where a property's water goes. A provider compares your billing history with the meter, tests fixtures, isolates zones and may check irrigation and any pool or spa. The result is a list of confirmed leaks and likely causes, in order of the water they waste.

For homes it is the next step when the quick tests do not find the source. For businesses and multi-unit buildings the same idea applies at a larger scale, which is covered under commercial leak detection.

What to do about the bill itself

Contact your water utility. Some offer leak adjustment programs or a free meter check, and asking costs nothing. They will likely want proof of repair, such as a provider's report or an invoice, so keep documentation. This service is a referral, so ask the provider for a written finding that you can show the utility; see also insurance leak detection reports.

EPA figures worth knowing: the average household's leaks waste more than 9,300 gallons of water a year, and about 9 percent of homes have leaks that waste 50 gallons or more per day. Source: U.S. EPA WaterSense, Fix a Leak Week.

When to call a professional

Call if the meter moves and you cannot trace it, if the toilets and fixtures check out, if you have damp floors or walls, or if you want a written report. Whittier leak detection providers can run the isolation tests faster than most owners can, and they can mark the leak location, which a plumber working blind cannot.

Frequently asked questions

What should I do if I get an unusually high water bill?

Check the meter with all water off. If it moves, you have a leak. Then run the toilet dye test and check faucets and hose bibs. If you still cannot find the source, call a provider for a water loss audit and ask your utility about their leak policies.

How do I check my water meter for a leak?

Turn off all water, record the reading or the low-flow indicator position, wait about two hours without using water, then check again. A change means water is leaking.

Who should I call first if my meter keeps running, the utility or a plumber?

Start by confirming the meter moves with everything off. Your utility can confirm the meter is reading correctly and tell you where their responsibility ends. A leak detection provider locates the leak on your side.

How do I test if a toilet is silently leaking?

Add a few drops of food coloring to the tank, wait about ten minutes without flushing, and look for color in the bowl. If it appears, the flapper or fill valve is leaking.

What does fixture leak testing cover?

Toilets, faucets, showerheads, angle stops, supply lines, hose bibs and appliance connections. It is usually the first part of a water loss audit.