How Do You Know If You Have A Water Leak Underground. You may be able to get a general idea of the problem area. Walk around the house and listen for running water.
Your plumber will check for sounds such as “splashing,” “clinking,” and “hissing.” splashing sounds occur when water sprays the wall of a soil cavity, and clinking sounds come from stones and pebbles bouncing off of pipes. In that case, you can run through the following steps with or without the equipment shown in the next section. It is easy to go online and look at previous water bills.
Look out for pools of water or damp patches on your floor with no visible signs there’s a leak in your ceiling.
One area of your lawn that is unusually green compared to the rest of your lawn; Most modern meters have a flow indicator which shows the current water usage in the home. Wondering how to detect a water leak underground? If you notice any type of increase, there is a good chance you have a leak.