How Can You Tell If You Have A Water Leak Underground. Here are the steps you can take to detect signs of a water leak. Look at your water meter for the leak indicator, which is often a small red, white, or blue triangle.
Wet spots in your lawn; Grab a bottle of food coloring and put a few drops in the tank of every toilet in the house. This is probably because sprinkler heads are not providing adequate water because of low water pressure.
You will have to dig down to find the actual spot.
A sudden spike in usage can give you the information you need to figure out how long water is making its way into your slab or the surrounding soil. 4 leave the water shut off for 30 minutes, and then see if the needle has moved from the mark. Inspect every hose and tap joints, as. These are signs that you may have a leak somewhere.