Water can drain along the outside of pipes in your walls or trickle many feet down the inside of your walls before the telltale signs of a leak become visible.
Water leak outside house.
Did you find some water.
Turn off all water flow into your house and then see if the water meter is still reading a flow of water.
The most telling signs of a leak in the main water line are.
Although water travels in the path of least resistance if the soggy spot is nowhere near your main water line there s a good chance the leak.
One of the first places to look for signs of a leak outside your home is your water bill.
You will need to determine whether the leak is coming from your main water service to the house or your irrigation system.
And if you use a ton of water one month for some reason you will probably be aware of it.
Exterior below grade issues.
If it is not moving the leak is inside the house.
While your bill may not be exactly the same every month chances are that it generally stays within a certain range.
If your leak is coming through at the lower level you may have exterior below grade issues.
Both a utility knife and a drywall saw can be purchased at your local hardware store.
Signs of a water leak.
Testing for a main water line leak follows simple logic.
How to test for a main water line leak.
Turn off the main water valve of the house and look at the meter.
These are telltale signs of a water leak in the yard.
Common causes of this type of leak are broken sprinkler pipes improper drainage from downspouts or french drains or grading that slopes toward the house.