Re: Rehabilitating a little used dug water -- Water Well Helpline Message Board

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Subject: Re: Rehabilitating a little used dug water

Author:
Fred Dungan (Lined with Concrete Pipe)
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Date Posted: 12:26:36 10/11/09 Sun
Author Host/IP: adsl-69-235-158-4.dsl.irvnca.pacbell.net/69.235.158.4
In reply to: rob 's message, "Re: Rehabilitating a little used dug water" on 03:25:01 10/11/09 Sun

What you need is to reline the well. There are lots of ways to do this. The traditional way is to hire someone to put in a brick lining, but this costs a fortune and simply is no longer practical. The economical way is to line it with concrete pipe (the kind you see on highway projects) whose outside diameter is a tad smaller than the inside diameter of your well. As far as I know, they don't sell large diameter concrete pipe at home improvement centers so you will most likely have to get it at a contractor's supply yard. Hopefully, it will cost much less than lining it with other materials and it will be easier to do. However you may need a tripod or an engine hoist to lift and lower the concrete pipe as it is rather heavy. The alternative would be to line it with pvc or abs pipe, but it won't last as long and I doubt that you can purchase it in a big enough diameter to suit your purposes.

>I would not play games when it comes to a well thats
>>dug well (about 3-4' diameter x 20' or so deep) that
>>was the home I was raised in, and where my Dad lived
>>until he died about 5 years ago. Since Dad's death,
>>the well has hardly been used, until last Spring when
>>I was able to rent the house. These tenents have
>>left, leaving me with a well that I think got
>>contaminated with dog excrement, based on the water
>>test results and evidence found near the uphill side
>>of the well. Iron and turbidity levels were high
>>based upon CT potable water standards. The ground
>>surface around the well shows evidence of either
>>tunneling critters or rain water infiltrating the
>>well. I have disinfected the well with 2 gallons of
>>chlorine bleach, and will be taking new samples for
>>testing next week.
>>
>>Is there an economical way to rehabilitate a well like
>>this and bring it back to the water quality level that
>>I remember as a kid?
>>
>>I expect to have to construct a concrete "seal" or
>>collar at ground level around the well, extending out
>>about 4' or so, to provide a better block to the
>>infiltration of surface runoff. I will also replace
>>the wooden "well house" cover with a gasketed & vented
>>concrete cap. I would also expect that I'd have to
>>find someone to suck out whatever "muck" has
>>accumulated at the bottom of the well. I should note
>>that the upper 3-4' of the stone lining had mortared
>>joints, though the joints have opened up over time,
>>hence my desire to construct the concrete collar.
>>
>>Given these facts and and fact that ground water is
>>relatively high in the area, are there methods to
>>rehabilitate this well? This well is on a 14 acre
>>site with no nearby (say within 750') homes or other
>>probable sources of pollutants.

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><font face=arial color=maroon>What you need is to >reline the well. There are lots of ways to do this. >The traditional way is to hire someone to put in a >brick lining, but this costs a fortune and simply is >no longer practical. The economical way is to line it >with concrete pipe (the kind you see on highway >projects) whose outside diameter is a tad smaller than >the inside diameter of your well. As far as I know, >they don't sell large diameter concrete pipe at home >improvement centers so you will most likely have to >get it at a contractor's supply yard. Hopefully, it >will cost much less than lining it with other >materials and it will be easier to do. However you may >need a tripod or an engine hoist to lift and lower the >concrete pipe as it is rather heavy. The alternative >would be to line it with pvc or abs pipe, but it won't >last as long and I doubt that you can purchase it in a >big enough diameter to suit your purposes.</font> > >>I would not play games when it comes to a well thats >>>dug well (about 3-4' diameter x 20' or so deep) that >>>was the home I was raised in, and where my Dad lived >>>until he died about 5 years ago. Since Dad's death, >>>the well has hardly been used, until last Spring when >>>I was able to rent the house. These tenents have >>>left, leaving me with a well that I think got >>>contaminated with dog excrement, based on the water >>>test results and evidence found near the uphill side >>>of the well. Iron and turbidity levels were high >>>based upon CT potable water standards. The ground >>>surface around the well shows evidence of either >>>tunneling critters or rain water infiltrating the >>>well. I have disinfected the well with 2 gallons of >>>chlorine bleach, and will be taking new samples for >>>testing next week. >>> >>>Is there an economical way to rehabilitate a well >like >>>this and bring it back to the water quality level >that >>>I remember as a kid? >>> >>>I expect to have to construct a concrete "seal" or >>>collar at ground level around the well, extending out >>>about 4' or so, to provide a better block to the >>>infiltration of surface runoff. I will also replace >>>the wooden "well house" cover with a gasketed & >vented >>>concrete cap. I would also expect that I'd have to >>>find someone to suck out whatever "muck" has >>>accumulated at the bottom of the well. I should note >>>that the upper 3-4' of the stone lining had mortared >>>joints, though the joints have opened up over time, >>>hence my desire to construct the concrete collar. >>> >>>Given these facts and and fact that ground water is >>>relatively high in the area, are there methods to >>>rehabilitate this well? This well is on a 14 acre >>>site with no nearby (say within 750') homes or other >>>probable sources of pollutants.

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