Re: Cleaning the well? -- Water Well Helpline Message Board

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Subject: Re: Cleaning the well?

Author:
Vey
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Date Posted: 09:55:49 05/17/09 Sun
Author Host/IP: user-0c6t2gb.cable.mindspring.com/24.110.138.11
In reply to: Alandheer 's message, "Cleaning the well?" on 09:19:14 05/17/09 Sun

>ok...got the well point down to about 22 feet ( I have
>about 5 feet of water in the pipe )

Not enough water.

and put the
>pitcher pump on top. Began by priming the pump and
>started pumping. Got muddy, silty water up as I
>pumped but I began building up pressure in the pipe
>and I had to actually hold the pump handle down or
>else it wanted to suck right back up because there was
>so much pressure built up in the pipe. At first I
>thought there was something wrong with the valves in
>the pitcher pump, but now I just assume that I need to
>take some time to surge out the well? I have found
>that I have drilled into a fine sand

Bad. You don't want to be in fine sand, you want to be in course sand. Usually that kind of sand is found below the fine beach sand.

and that the
>pounding of the point has probably clogged up the
>drill point mesh. With that being clogged I am
>creating a vaccume in the pipe by pumping it with the
>pitcher pump. This is a reasonable assumption?
>This is a very remote area with not other hose to
>surge the well (or electricity). Which method of
>surging might work out best for me in this sandy well?
> Simply churning it till it cleans the mesh
>point...should I use the check valve on the end of a
>smaller pipe to surge it to help pull the small
>particles out...or just churn it and clean it out? I
>could rent a gas powered compressor to push air down
>the well to clean the point out too I suppose.

What the pros do around here is have a 500 gallon tank and a gasoline powered pump. They use that to jet the pipe down and to surge the well. Since that is impractical for you, you will probably have to surge by hand. Once you are into some decent sand, you could pump some water up, the pour it back down and hopefully that will do come cleaning. The compressor is a good idea, too, but not until you are deeper and in better sand.

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>>ok...got the well point down to about 22 feet ( I have >>about 5 feet of water in the pipe ) > >Not enough water. > > and put the >>pitcher pump on top. Began by priming the pump and >>started pumping. Got muddy, silty water up as I >>pumped but I began building up pressure in the pipe >>and I had to actually hold the pump handle down or >>else it wanted to suck right back up because there was >>so much pressure built up in the pipe. At first I >>thought there was something wrong with the valves in >>the pitcher pump, but now I just assume that I need to >>take some time to surge out the well? I have found >>that I have drilled into a fine sand > >Bad. You don't want to be in fine sand, you want to be >in course sand. Usually that kind of sand is found >below the fine beach sand. > >and that the >>pounding of the point has probably clogged up the >>drill point mesh. With that being clogged I am >>creating a vaccume in the pipe by pumping it with the >>pitcher pump. This is a reasonable assumption? >>This is a very remote area with not other hose to >>surge the well (or electricity). Which method of >>surging might work out best for me in this sandy well? >> Simply churning it till it cleans the mesh >>point...should I use the check valve on the end of a >>smaller pipe to surge it to help pull the small >>particles out...or just churn it and clean it out? I >>could rent a gas powered compressor to push air down >>the well to clean the point out too I suppose. > >What the pros do around here is have a 500 gallon tank >and a gasoline powered pump. They use that to jet the >pipe down and to surge the well. Since that is >impractical for you, you will probably have to surge >by hand. Once you are into some decent sand, you could >pump some water up, the pour it back down and >hopefully that will do come cleaning. The compressor >is a good idea, too, but not until you are deeper and >in better sand.

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