Large pools of water in your yard can indicate a larger problem than leaving the hose out. Leaks often show up as wet spots, foul smells, and high water bills. Pinpoint this issue quickly to avoid causing more damage (and paying more money). In this post, we’ll teach you how to find a water leak in your yard so you can get it fixed ASAP.

Wondering How to Find a Water Leak in Your Yard?

If you suspect a leak, the first step is to find out where the leak is. That’s easy enough — all you have to do is observe or turn off a valve.

There are a few places where your leak might come from:
• Sewer lines
• Main water lines
• Irrigation systems

While your leak will show up as a wet spot, specific differences can hint at a leak’s location.

Leaks in Your Sewer Lines

A sewer line leak occurs when the sewer pipe begins to break apart. An obvious indicator is a foul smell as waste cannot pass through properly. You might be dealing with tons of clogs within your home, including a bubbling toilet. Your grass will often be extra rich and green — a pleasant side effect, but the long-term costs are immense.

Leaks in Your Main Water Lines

High bills usually accompany a main water line leak. From the city’s supply, the main line brings water into your home. To find out if this is your leak, you will shut off water to every pipe in your home. Here are the steps to take:

Step 1: Find your home’s shut-off valve. Shut it off and wait about 20 minutes for all the water to drain.

Step 2: Find your water meter.

Step 3: Read the meter. If you have an analog meter, the dial hand or low-flow indicator will be moving. If you have a digital meter, the flow rate will be above zero. These indicators tell you that water is running through the line. You’ve found your leak!

Otherwise, you will need to keep looking for the leak elsewhere.

Leaks in Your Irrigation System

If you don’t have a leak in your main water or sewer line, you likely have an irrigation system leak. In this case, you will usually see water pooling around the bases of your sprinklers or between sprinklers. Here are the steps you need to take:

Step 1: Make sure your shut-off valve is on, not off.

Step 2: Turn off your faucets, washing machine, and dishwasher. Nothing should be using water in your home except for the irrigation system.

Step 3: Check your meter. Water should be running through it.

Step 4: Find the valve for the irrigation system. Shut it off.

Step 5: Recheck your meter. If the flow stops, then you have found your leak.

Call a Plumber to Fix Your Leak Today

Need help figuring out how to find a water leak in your yard? Can’t fix it yourself? Call Custom Plumbing at 602-883-2761 or get in touch with us online!

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If there’s one thing that all homeowners should fear, it’s a water leak. Not only can leaky pipes and fixtures cause thousands of dollars in damage if they go undetected, but they can also damage irreplaceable family memories like photos, heirlooms, and other priceless objects. And if the water doesn’t cause damage, the moisture will—rot and mold are especially insidious problems many homeowners have to deal with every year.

Since we are all staying at home as much as possible, I thought I’d do a post on how to find leaks around the house. Why not learn how to detect a problem before it becomes a problem so that you can actually, I don’t know, enjoy living in your home while you’re stuck there?

I’m game, are you? All right! So, sit back and take a quick peek at how to detect a water leak in three common situations.

Hot Water Heater

Hot water heaters can be deceptive. Just because there is a puddle of H2O near your heater doesn’t mean it’s leaking. Condensation commonly accumulates on the pipes and surfaces in the surrounding area. If your hot water tank is in the basement, it’s even more likely that condensation is the culprit.

To determine whether your puddle is the result of a leak or condensation, first dry the area and any wet fixtures and pipes. Then, check all the pipes periodically to determine if the moisture has reappeared. If it is a leak, you should be able to locate the source.


If you notice moisture below your sink, you probably have a water leak in the supply line, the shutoff valves, or the slip joints in the waste line. For the first two, you must first look for wetness on the lines themselves. Run a dry paper towel along the supply lines and shutoff valves to see if they are wet. For the slip joint, fill the sink with water and then check all the joints along the waste line while the water drains. If any major leaks exist, you’ll see them.


Toilets can leak just like any other plumbing fixture in the house, and when they do, they can cause a lot of damage. There are two primary sources of toilet leaks—the supply lines and the flange. To detect leakages in the supply lines, check them with a dry paper towel as in the example with the sink above.

Flange leaks can be especially damaging. If you notice any of the following signs in your bathroom, you probably have a flange leak:

  • Water seeping out around the base of the toilet
  • Stained flooring or carpet near the toilet
  • Stained or damaged ceiling in the room below the toilet

Unless you know how to fix these types of water leaks, it’s best to call a professional plumber.

Bonus: 3 More Place to Check for Water Leaks

If none of the examples above is the source of the unexplained water, try checking these three places as well:

  • Water spigots on the outside of the house
  • The meter line
  • Shower heads

Not able to figure out where the water is coming from? That’s OK! Give us a call today and we’ll send one of our expert plumbers to find the source.

Posted on Categories Commercial Plumbing Service, Emergency Plumber, Residential Plumbing ServicesTags