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 locating water leaks underground
Author: NewfoundL (NH)

I would like to inquire to see if anyone has experience finding water line leaks by filling the line from the meter to the house with gas. I understand that one filled they have a detection device that they run along the line to find the general vicinity of the leak and then use an acoustic sound device to confirm or pinpoint the leak.

I have a couple quotes from leak detection companies, one being a national one that has less than stellar reviews.
They want $850 but there is no warranty that they actually find the leak.

The other shop was $500/HR for two guys which he recommended as it would be quicker to find the leak on a long water line. They could start towards each other from each end.

It all sounds good in theory, but I have no knowledge of anyone doing this on a PE water line that is not marked out in 12-24" of hard clay.

If anyone has used this process especially in conditions as I described, it would be much appreciated.

Second question, is there a better (less chance of leaking) way to repair/splice PE pipe than using a brass barbed connection with stainless hose clamps?

Thank you

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 Re: locating water leaks underground
Author: bsipps (PA)

Usually there is evidence of a main water line leak but considering your almost as north east America as you can get you water line is atleast 40” underground if may not be show wetness/muddy anywhere
A leak underground is never easy to pinpoint exactly because water just likes to travel
I have personally never used gas to test a service and unfortunately your water service is plastic which makes it even harder to locate the run without digging, sometimes the more expensive price is the better option in the long run

As for as the barb connection the only other approved connection would be pack joint connection but I would check with your local plumbing inspector and see what they recommend

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 Re: locating water leaks underground
Author: Don411 (IN)

How long is the run from meter to house?

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