How to Find a Water Leak Underground

Find Water Leak Underground

Are you worried that you may have a water leak underground? Ridiculously high water bill, water pooling, rust-colored water, changed water pressure can be the red flag for you. These are some obvious signs that will ensure that you might have a water leak. Every homeowner must be always aware of this alarming issue. If you do not repair the water leak right away, you are going to have some bitter foundational damages or sinkholes. Both of these need large-scale repairs that will cost you a great amount of money. Spotting an underground water leakage at its early signs is very important to avoid all the hassles. If you have been wondering about how to Find a Water Leak Underground, continue reading.

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Best Ways to Find an Underground Water Leak


An underground water leak is extremely difficult to locate, as the water pipes remain deeply buried underneath the surface. Usually, only professional plumbing technicians have the necessary equipment for detecting water leaks. However, here are some tried-and-tested DIY ideas to guard against the water leak underground.

Check Your Water Meter

Check Your Water Meter - Find a Water Leak Underground

The best way to discover an underground water leak in your plumbing system is to check your water meter. To check, you have to shut off all the water supply system in your home. That means turning off all faucets, washing machine and dishwasher, and ensuring that no electrical device using water is running. Now simply check the meter whether it starts to change. moreover, If you notice the change, you probably have a fast-moving water leak. If it does not immediately change, you should wait for two or a few more hours and check it again. If it changes after a few hours, you may have a small, slower leak. The leak can be anywhere in the house and it is a homeowner’s responsibility to find out the solution.


Look at Your Water Usage

One of the tried-and-true ways to find out whether you have an underground water leak in your house is to check your usage of water. The U.S. Environmental Protection Agency suggests that homeowners should check their winter water usage regularly. This will help you to decide if there is a leak somewhere in your home.


Keep the Exterior on Check

Keep the Exterior on Check - Find a Water Leak Underground

Leaks do not always occur inside the house, they can frequently happen outside as well. Try to check at least once in a week if there is any water pooling or damp soil outside the house or in the garden area. Inspect carefully at the street or your driveway for any evidence of water flow. You may not always find a steady water stream, instead of a puddle, which never dries up. You need to be very careful about this issue because a tiny leak can waste about 6,300 gallons of water every month.


Monitor the Water Bill

Monitor the Water Bill - Find a Water Leak Underground

Your water bill is abnormally high from the past 2-3 months and you are not sure why? Not a good sign! Collect the water bills from the last few months. Compare the bills and see if there is any steady increase. You may probably find a water leak underground if your bills have not remained in the same range. You may not be able to detect the leaks in your house, but you will have to pay for it if there is any kind of leakage. Monitoring your water bills regularly ensures any spike in the usage or price. The best thing you can do is to have a professional plumber to check all your systems.


Use Food Coloring

Use Food Coloring - Find a Water Leak Underground

Yes! You are right! To detect water leak underground you can use food coloring. It can be a great tool for leak detection. You may become surprised to know that toilets represent up to 30% of your total water use. To check, mix a few drops of food color in the water of your toilet tank and wait a few minutes. If the color shows up in your bowl, your toilet has some sort of leakage that allows water flowing from the toilet tank.

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Take Extra Care of Aged Properties

Be vigilant, especially when your home is over 25years old. In such cases, the plumbing system starts declining its life expectancy. Hence, you need to take extra care. Professional attention is required to inspect all the accessible connections of pumps, water heater, washing machine, and valves. If you find any sort of leakage, repair right after finding it before it turns to a real mess. Prompt attention will save you from the large-scale repairs and cost you less money.


Make a Habit of Checking Regularly

Build up a regular habit of checking both the inside and outside of your house to find out if any signs indicate a water leak underground. You should always check your cabinets, sink or basins for any signs of mold or mildew growth. Molds do not usually appear in the obvious places. Even if you do not find any mold growth, you should look out for the funky smells. Having a plumbing technician to check out your entire system once in a year is always a great idea to avoid future damages.


To conclude, it is indeed crucial for every homeowner to find a water leak underground before a large-scale disaster arises. Small underground water leakage may lead to foundation damages to properties, spot flood, bad odors, even health risks. If you have any doubt that there might be an underground water leak at your home, you should turn off all the water lines immediately and inform your utility company. The next thing you should do is to call a professional plumbing technician. The leak detection specialists have all the necessary equipment for water leak detection. They can successfully locate the leak and solve the problem with greater efficiency.

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