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Question DetailsAsked on 3/6/2015

how to locate water leak under grass

in front yard grass is wet in one area and running down side walk

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2 Answers


Should be pretty easy to find most uphill portion of wet area, and start digging to uncover leak IF you are prepared to temporarily put repair clamp on it - otherwise just dig out divots of grass till you find the spot where water is welling up, then recover and mark it, because if you dig down to the pipe you might end up with a geyser.

Plumber for repair.

Bear in mind possible cost of water if on metered water - you might want water department to shut off your water line if you do not have a valve or meter box you can shut it off at yourself.

Answered 4 years ago by LCD


One thing I forgot to mention - if you carefully (without hitting electric/phone/cable TV lines) push a metal rod or rebar or wrecking bar or metal pipe into the ground, then listed with your ear against it while holding it VERY loosely with one hand (tight grip damps out sound) you can move around and listen for the sound of the water running. Might work with a piece of pipe just set on the ground in your case, since actively running down drive so a pretty good leak. Can usually locate with a couple of feet for deeper lines, with a foot or so commonly if buried normal 3 feet or so deep.

Leak is very likely to be at uphill side of wet spot, or more or less dirrectly uphill of that depending on your geology.

Answered 4 years ago by LCD

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