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Sprinkler system underground leak help

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Sprinkler system underground leak help Dave FL 11-05-2007
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Posted by jthread on November 5, 2007, 12:36 pm

> jthread wrote:
>
>> check your valves. sounds to me they are getting stuck. they have to be
>> maintained anyway. if a section is dribbling it's not closing all the
>> way.
>
> Sorry, what I meant by dribbling was when the zone is on a couple of
> sprinkler heads dribble water between the top and the shaft. Does this
> sound right?
>
> Dave FL
>
>
not really. i read your post below and i got to admit i'm stumped. when they
leak it's usually a valve. if your water is hard it can cause them to fail
pretty quickly. keep at it. it's not that complicated someone will help
you. :)



Real Goods Solar, Inc.
Posted by dadiOH on November 5, 2007, 11:55 am
Dave FL wrote:
> Yep, got a leak somewhere. Did the timing thing with the water meter
> and found the three largest zones use most of the water.
>
> My Problem: water bill came to $400.00 one month and $500.00 the
> next month. Stopped using the sprinklers and dropped to $50 -
> $60/Mo.
> My Guess: underground sprinkler leak
> My Question: What is the easiest way to check the lines for a leak?
> My Answer (up for review): Take out the sprinkler heads in each zone
> and cap off the line, run the sprinkler water and see if meter
> turns.
>
> Need help to see if this is the best way to check the lines, or
> will a divining rod be better?
> Any comments would be greatly appreciated.

Feel the supply lines (to sprinklers) at the manifolds. The pipe will
be cooler if water is running (leak) than when not since the
ground/sun warms static water in the pipe.


--

dadiOH
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Posted by Dave FL on November 5, 2007, 11:59 am
dadiOH wrote:

> Feel the supply lines (to sprinklers) at the manifolds. The pipe will
> be cooler if water is running (leak) than when not since the
> ground/sun warms static water in the pipe.

Would this be done after I cap off the lines?

> dadiOH


Posted by dadiOH on November 5, 2007, 2:47 pm
Dave FL wrote:
> dadiOH wrote:
>
>> Feel the supply lines (to sprinklers) at the manifolds. The pipe
>> will be cooler if water is running (leak) than when not since the
>> ground/sun warms static water in the pipe.
>
> Would this be done after I cap off the lines?

I am not sure what you mean by "cap off the lines". If you mean
adjust the sprinklers to zero discharge then no, that is not
necessary.



--

dadiOH
____________________________

dadiOH's dandies v3.06...
...a help file of info about MP3s, recording from
LP/cassette and tips & tricks on this and that.
Get it at http://mysite.verizon.net/xico




Posted by BobK207 on November 5, 2007, 12:11 pm
> Yep, got a leak somewhere. Did the timing thing with the water meter
> and found the three largest zones use most of the water.
>
> My Problem: water bill came to $400.00 one month and $500.00 the next
> month. Stopped using the sprinklers and dropped to $50 - $60/Mo.
> My Guess: underground sprinkler leak
> My Question: What is the easiest way to check the lines for a leak?
> My Answer (up for review): Take out the sprinkler heads in each zone
> and cap off the line, run the sprinkler water and see if meter turns.
>


> Need help to see if this is the best way to check the lines, or will a
> divining rod be better?
> Any comments would be greatly appreciated.
>
> Dave FL

Dave-

Unless your water rates are sky high, $400 worth of water is a LOT.
By my calcs about 150,000 gallons

If you have a leak somewhere there has got to be a rather large soggy
spot.

Are the sprinkler valves electric? Can they be turned off manually
(individually)?

I would guess that since the water bill dropped when you "Stopped
using the sprinklers"
(I assume you cut off water to the sprinkler valve manifold) that the
"leak" is a faulty sprinkler valve not a line failure.

You're leaking water at about 3 or 4 gpm.

Are some the heads in one of the zones wet constantly?

cheers
Bob



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