LONG Water Line Question

   / LONG Water Line Question #11  
Hi Don,

I had a house that sat at the bottom of a hill. The water line was 1,200 feet.

The house was empty, but the water had been turned on for seveal months. One month I got a bill saying I'd uses 26,000 gallons of water!!!!

The water department said I had a leak and it was my responsibility. I called in a leak detector who said he could start checking, but doubted he'd find it. According to him, some lines have lots of little leaks and individually each one is too small to find, but collectively they all add up to allot of water comeing out.

The original installer used thin wall 1 inch pvc.

I also did a preasure test at the house and the water preasure was over 100 pounds. The length of the run and elevation drop increased the water preasure over 20 pounds from the meter!!!

I was also told by my local water district that too much preasure on toilets will cause the water to keep running. It just pushes the water past the valve into the bowl. This isn't your problem since you turned off the valve and the meter is stil running.

Another thing he said was that in some water districts, the pumps create a surge effect on their water mains. This can be seen with a guage as preasure increase and decreases. If you don't have a backflow valve at the meter, it will increase your reading without you using any water.

It happens like this. Water is forced into your long line past the meter by the surge, or high preasure. This is recoreded ont the meter as water passing through.

When the water preasure drops, it goes back through the meter to the mains, but this isn't recorded on the meter. This can go on for days, or in my case weeks at a time.

I was able to show this to that water district and force them to install a backflow valve and new meter. But they wouldn't give in on the leak and forced me to pay the bill and replace the pipe. 1,200 feet of new schedule 40 pipe is a pain in the but!!!!

Hope this helps in some way,
Eddie
 
   / LONG Water Line Question #12  
I've been wondering the same thing. Not saying they don't exist but I have never heard or seen a pressure line laid with just unglued "slip" joints.

Harry K
 
   / LONG Water Line Question #13  
I think he means the pipes with built in flared sections and o-rings. A lot of water mains are laid with this type of pipe now, I assume to allow for some movement of the pipe while still keeping the pipe sealed.
 
   / LONG Water Line Question
  • Thread Starter
#14  
Hammerfour you are right! You install this type of line with lubricant instead of glue. The flare is about 5 1/2" (see attachment) after the O-ring and a certain amount of slip is OK.

I woke up this morning before any water use and the meter was still moving. This afternoon it has stopped again. This means to me that one slip joint or more is not sealing someplace, which means continue to dig. /forums/images/graemlins/crazy.gif
 

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   / LONG Water Line Question
  • Thread Starter
#15  
And dig and dig and dig.......
 

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   / LONG Water Line Question
  • Thread Starter
#16  
I think I'm nearing the 1/2 mark. I can see the front road. The first half was sand the next half is black gumbo, a bit slower. /forums/images/graemlins/crazy.gif
 

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   / LONG Water Line Question
  • Thread Starter
#17  
Here is a picture from the meter to the cabin.

Some people pay money to a gym to get the kind of workout I'm getting. /forums/images/graemlins/grin.gif
 

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   / LONG Water Line Question #18  
How about cutting the line at midpoint and putting a shutoff in to help isolate the problem? Or are you going to keep digging joints until you find the wet one?

I hate to mention it and it doesn't seem likely, but you could also have a failure in a section of pipe itself between the joints, maybe a rock put pressure on it and made a small crack....hopefully it's just a leak at a joint and you find it in the next hole you dig.

How do you stop that type of joint from leaking ( if you find one leaking I mean )? Was the last one caused by the pipe pulling out of the slip joint?
 
   / LONG Water Line Question #19  
We had a broken line; the water company had a guy come out with a 4 ft long piece of 1/2" rod. He could push it into the ground, and when he hit where the leak was, it went down like a hot knife in butter!

Rather than dig, I'd get a hunk of rod and start pushing.............

ron
 
   / LONG Water Line Question #20  
Not to make light of your problems, which I can see can be very exasperating, but I will pass on some words of wisdom that my mother used to say to me when I could not find something.

<font color="blue"> It will be in the last place that you look.</font>

Guess it did not make a lot sense to me then or now. However I still do remember her fondly.
 

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