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Old 12-21-2017, 06:46 PM   #1
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Water leak under foundation block


We noticed a small stream of water running from under the house today and we had the city shut off the water to investigate. It looked like a spring coming up from under ground under a foundation block board. I have attached pictures of after the water was shut off by the city. It is in a tricky spot under the board. An odd thing too was the pool of water was warm, not hot but warm. How would ya'll recommend I tackle this?
Thanks for any ideas
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Water leak under foundation block-dsc02734.jpg   Water leak under foundation block-dsc02744.jpg   Water leak under foundation block-dsc02738.jpg   Water leak under foundation block-dsc02736.jpg  
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Old 12-21-2017, 08:12 PM   #2
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Re: Water leak under foundation block


close cold water supply to water heater {presuming it works}
buy a water meter wrench from hardware and turn water back on
if flow has stopped your leak is in hot distribution piping
verify by checking no flow from hot side of faucets
re-check for flow at ground & or through meter
if water leak stopped by controlling hot side - your leak is n hot water piping
and you will still have cold water flow and capability to flush toilets
if leak returned with no hot flow occurring, your leak is n cold distribution piping... turn water back off
either way u will need hands on assistance

is this a slab construction? what age is structure?

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Old 12-21-2017, 08:36 PM   #3
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Re: Water leak under foundation block


Thanks for the help! We just looked at the water heater and only saw the hot water supply and no cold water supply. It is an older model. We turned off the hot water supply. Was this the right thing to do since ours did not have a cold water supply? The house is a mobile home on cinder blocks and is over 30 years.
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Old 12-21-2017, 08:58 PM   #4
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Re: Water leak under foundation block


What DR P is telling you is that a hot water pipe under your home has burst. When you turn the water to the water heater off, you stopped the water from coming out.

As I am sure you know by now you have no hot water. Someone will have to go up under your home and find where the pipe burst and repair it. Until that is done you will not have any hot water.
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Old 12-21-2017, 10:13 PM   #5
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Re: Water leak under foundation block


We just had the water turned back on and the leak is still under the house. Even with the hot water turned off. It sounds like you said it's the cold water line now. Is there another way to turn off just the cold water since our hot water heater doesnt seem to have the cold water valve? I would like to save the money if possible and fix this myself. Any more help is appreciated. Thank you!
Quote:
Originally Posted by DR P View Post
close cold water supply to water heater {presuming it works}
buy a water meter wrench from hardware and turn water back on
if flow has stopped your leak is in hot distribution piping
verify by checking no flow from hot side of faucets
re-check for flow at ground & or through meter
if water leak stopped by controlling hot side - your leak is n hot water piping
and you will still have cold water flow and capability to flush toilets
if leak returned with no hot flow occurring, your leak is n cold distribution piping... turn water back off
either way u will need hands on assistance

is this a slab construction? what age is structure?

Peace
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Old 12-21-2017, 10:22 PM   #6
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Re: Water leak under foundation block


Sounds like your hot and cold water pipes that have burst.

How cold has it been where you live?
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Old 12-21-2017, 10:27 PM   #7
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Re: Water leak under foundation block


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Sounds like you hot and cold water pipes that have burst.

How cold has it been where you live?
It was 27 degrees for the lowest a few nights ago. How deep down are the pipes usually? I dug down a few inches so far. Thank you!
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Old 12-21-2017, 10:47 PM   #8
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Re: Water leak under foundation block


Please turn power off to water heater immediately and leave off until leak is corrected... most old mobile home tanks are bottom fed & leak will allow tank to drain and damage water heater if energized...

your leak is either underneath MH and leaking out through cinder block under pinning
or the leak is in main water supply to MH - either inside under pinning or in ground at/near/underneath cinder blocks...

look inside under pinning and under MH for signs of water
good luck

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Old 12-21-2017, 10:51 PM   #9
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Re: Water leak under foundation block


The pipe that have burst will be in the flooring, between the flooring and the insulation. If the pipe that burst was in the ground the water would not have been hot.

You should get the water turned back off NOW so you don't do any more damage and call a plumber. This will not be an easy fix and will probably require soldering and other plumbing skills.
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Old 12-21-2017, 10:57 PM   #10
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Re: Water leak under foundation block


Quote:
Originally Posted by DR P View Post
Please turn power off to water heater immediately and leave off until leak is corrected... most old mobile home tanks are bottom fed & leak will allow tank to drain and damage water heater if energized...

your leak is either underneath MH and leaking out through cinder block under pinning
or the leak is in main water supply to MH - either inside under pinning or in ground at/near/underneath cinder blocks...

look inside under pinning and under MH for signs of water
good luck

Peace
Our water heater is gas powered not electric, do I still need to turn it off? I don't know what pinning is but I will google it. Thanks for all the help!
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Old 12-21-2017, 11:07 PM   #11
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Re: Water leak under foundation block


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Originally Posted by hkstroud View Post
The pipe that have burst will be in the flooring, between the flooring and the insulation. If the pipe that burst was in the ground the water would not have been hot.

You should get the water turned back off NOW so you don't do any more damage and call a plumber. This will not be an easy fix and will probably require soldering and other plumbing skills.
When I went under before we had the water turned off the only water I could see was coming from underground. It might be like you said and we have multiple burst pipes
I will take a look above the insulation too. I don't feel comfortable soldering so will plan on calling a plumber if needed. Digging and replacing a secton of pipe sounds doable to me but I dont know much about this stuff yet and really appreciate all the help! Thanks again
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Old 12-21-2017, 11:09 PM   #12
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Re: Water leak under foundation block


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Our water heater is gas powered not electric, do I still need to turn it off? I don't know what pinning is but I will google it. Thanks for all the help!
yes I would at the least set control dial to pilot or vacation setting since best case no need to heat water you can not use... under pinning is in your case
- your cinder block foundation...

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Old 12-21-2017, 11:09 PM   #13
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Re: Water leak under foundation block


Quote:
Our water heater is gas powered not electric, do I still need to turn it off?
Yes.
If the water was indeed coming from underground and the piping was installed 30 years ago, that pipe will galvanized iron pipe and is even more difficult to work with..
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Old 12-21-2017, 11:24 PM   #14
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Re: Water leak under foundation block


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When I went under before we had the water turned off the only water I could see was coming from underground. It might be like you said and we have multiple burst pipes
I will take a look above the insulation too. I don't feel comfortable soldering so will plan on calling a plumber if needed. Digging and replacing a secton of pipe sounds doable to me but I dont know much about this stuff yet and really appreciate all the help! Thanks again
sounds like you're giving yourself water for Christmas...
repairing 30 yr old section of piping vs replacing entire underground water supply line from meter to MH connection and be done with any future potential leaks from that old piping... your call. How far is it from meter to house?

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Old 12-21-2017, 11:36 PM   #15
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Re: Water leak under foundation block


Quote:
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sounds like you're giving yourself water for Christmas...
repairing 30 yr old section of piping vs replacing entire underground water supply line from meter to MH connection and be done with any future potential leaks from that old piping... your call. How far is it from meter to house?

Peace
We just put the water heater on vacation mode. Probably 40-50 feet from meter to house.
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