Re: Sprinkler Well problems -- Water Well Helpline Message Board

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Subject: Re: Sprinkler Well problems

Author:
Fred Dungan
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Date Posted: 11:54:29 02/18/08 Mon
Author Host/IP: adsl-69-235-167-155.dsl.irvnca.pacbell.net/69.235.167.155
In reply to: Mike Thomas 's message, "Sprinkler Well problems" on 18:56:07 02/17/08 Sun

A less expensive way would be to keep the sand out of the well. In other words, if you don't allow sand in, you won't have to get sand out. This is the function of the wellscreen. I suggest using a 1.5 inch Schedule 40 PVC drivepoint insert with .008 inch slots -- slots that are larger than a water molecule but smaller than a grain of fine sand. Bigfoot, http://www.bigfootmfg.com/slotted-screen.html, manufactures them. Brady Products in Florida makes a cheaper version, but I don't know if the slots are small enough to keep out fine sand and silt.

>Hello,
>I live in Florida. I have a 2" well driven to about
>120 ft. The static water level is about 20' now. For
>some reason, after a year of good service, I am
>getting sand into my heads. I installed a in-line
>sand filter, but it quickly clogs with very fine sand;
>thus, the system clogs.
>
>Someone told me a drop pipe would help the problem (I
>am drawing off the casing) So, I purchased a 2 4'
>sections of PVC well points ( 1 1/4) and 40 ft of
>pipe, connected it all, and dropped it into my well.
>The pressure went to half of what it was.
>
>Now, I am at whits end. Is there a way to clear the
>well of sand? Anyone have some ideas?

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Replies:

Subject Author Date

Re: Sprinkler Well problems Vey 16:38:23 02/18/08 Mon

Re: Sprinkler Well problems -- Fred Dungan (increase flow with wellscreen extension), 22:37:04 02/18/08 Mon

Re: Sprinkler Well problems -- Vey, 04:57:42 02/19/08 Tue

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><font face=georgia color=scarlet>A less expensive way >would be to keep the sand <b>out</b> of the well. In >other words, if you don't allow sand in, you won't >have to get sand out. This is the function of the >wellscreen. I suggest using a 1.5 inch Schedule 40 PVC >drivepoint insert with .008 inch slots -- slots that >are larger than a water molecule but smaller than a >grain of fine sand. Bigfoot, <A rel=nofollow >target=_blank >href=http://www.bigfootmfg.com/slotted-screens.html>htt >p://www.bigfootmfg.com/slotted-screen.html</A>, >manufactures them. Brady Products in Florida makes a >cheaper version, but I don't know if the slots are >small enough to keep out fine sand and silt.</font> > >>Hello, >>I live in Florida. I have a 2" well driven to about >>120 ft. The static water level is about 20' now. For >>some reason, after a year of good service, I am >>getting sand into my heads. I installed a in-line >>sand filter, but it quickly clogs with very fine sand; >>thus, the system clogs. >> >>Someone told me a drop pipe would help the problem (I >>am drawing off the casing) So, I purchased a 2 4' >>sections of PVC well points ( 1 1/4) and 40 ft of >>pipe, connected it all, and dropped it into my well. >>The pressure went to half of what it was. >> >>Now, I am at whits end. Is there a way to clear the >>well of sand? Anyone have some ideas?

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