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Cost to plug or cap water well

Posted on 2/14/16 at 8:54 am
Posted by CroTigerXIII
The Cro
Member since Dec 2009
1422 posts
Posted on 2/14/16 at 8:54 am
Beginning planning to build a shed on an existing slab which includes an abandoned water well with all mechanicals.

I don't want to lose shop space or have to remove the roof at a later date due to well issues. Therefore, I want to take care of this upfront.

I did some Internet searching and cannot find rough pricing for our preliminary budget. Anyone have experience with this?

Looking for ideas on price, permitting, recording the abandonment. Etc.
Posted by Nascar Fan
Columbia La.
Member since Jul 2011
18574 posts
Posted on 2/14/16 at 8:59 am to
Will water flow if pump is off? If not cut the line & poor sackcrete down pipe
Posted by upgrayedd
Lifting at Tobin's house
Member since Mar 2013
134865 posts
Posted on 2/14/16 at 9:35 am to
How deep is it?
What is the casing size?
Is it operational and registered?
This post was edited on 2/14/16 at 9:39 am
Posted by GeeOH
Louisiana
Member since Dec 2013
13376 posts
Posted on 2/14/16 at 10:55 am to
The crew that did the Horizon is unemployed,...oh wait, you said you didn't want to have problems later, lol

Just wondering, why was the well there and no longer needed? Would you think the need to use it at a later date is possible?
Posted by CajunAlum Tiger Fan
The Great State of Louisiana
Member since Jan 2008
7873 posts
Posted on 2/14/16 at 11:20 am to
quote:


Looking for ideas on price, permitting, recording the abandonment. Etc.


Is this really a thing for a home water well? Is it a well that little Timmy could fall into some day? What is your concern?

They abandoned one at my house before I bought it and it's just cut flush with the slab.

Posted by X123F45
Member since Apr 2015
27410 posts
Posted on 2/14/16 at 11:40 am to
Cut the pipe low. Drive a round piece of cypress larger than the pipe at least 18 inches into it. Get some jbweld water weld and slam an iron cap onto the top of it.

It will start peaking again in 300 years or so when the cypress rots.
Posted by KG6
Member since Aug 2009
10920 posts
Posted on 2/14/16 at 11:41 am to
Water isn't going to flow on its own. If it did, the water table would be so high it'd be seeping out of the ground. So unless you truly thin you'd get some permitting issues, I'd dig a few feet around it, cut it, then poor concrete. It the slabs already theres, then I'd cut it flush, plug it off a few feet inside the casing, and poor concrete down the well bore.
Posted by upgrayedd
Lifting at Tobin's house
Member since Mar 2013
134865 posts
Posted on 2/14/16 at 11:52 am to
Don't use sacrete. You need a portland/bentonite mix.
Posted by X123F45
Member since Apr 2015
27410 posts
Posted on 2/14/16 at 12:57 pm to
quote:

Water isn't going to flow on its own


We have four wells on our land, all have shutoff valves because they free flow?
Posted by KG6
Member since Aug 2009
10920 posts
Posted on 2/14/16 at 2:00 pm to
I'll admit I'm no expert, but of all the Wells I've been around, none of them were under pressure. Never heard of that actually. Maybe if your right on the aquifer next to the Mississippi or something and the river would get high. But if you plugged and cemented it, I doubt you'd have issues. Maybe it is worth calling in an expert.
Posted by crankbait
Member since Feb 2008
11623 posts
Posted on 2/14/16 at 3:08 pm to
No idea what actual cost would be, but I can give you an idea.

You need a registered water well driller to do it if you care about recording it.

Time to do it would be about 2 total hours (minus the mob). Registering would take an hour. Anything about a few Hundo, you're getting ripped off

You want to do it yourself? Get some Portland and bentonite (as upgrayed said). Don't pour fricking quikrete in there. Tremie it down with some threaded pvc to the bottom and fill from the bottom up using a trash pump. Mix the Portland/bentonite in a tub first. Don't worry about registering if you don't give a shite

Source: geotech engineer that deals with this shite regularly

If you want it handled by a driller, google it. There are probably several in your area
Posted by highcotton2
Alabama
Member since Feb 2010
9406 posts
Posted on 2/14/16 at 3:13 pm to
quote:

I'll admit I'm no expert, but of all the Wells I've been around, none of them were under pressure. Never heard of that actually.


We have a well that we do not use that we had to cap off because it would free flow and flood the field. It is not in a marshy area either.
Posted by Jenar Boy
Elsewhere
Member since Aug 2013
12535 posts
Posted on 2/14/16 at 3:37 pm to
Buy a pipe plug and install it a bout 2' from the top and cover with concrete. Cost about $20 and done in 15 minutes
Posted by X123F45
Member since Apr 2015
27410 posts
Posted on 2/14/16 at 3:38 pm to
It all depends on your elevation.

I'm at 17 ft. That isn't higher than the river 90% of the year. Two wells into first water pocket between 90-150. Two into the second around 350ft.
Posted by Fratigerguy
Member since Jan 2014
4745 posts
Posted on 2/14/16 at 4:44 pm to
quote:

Water isn't going to flow on its own. If it did, the water table would be so high it'd be seeping out of the ground.


Yeah, that's not true. I've got a couple that free flow. Admittedly, one is next to a bayou, but it's a 300 foot well.

To the OP, don't concrete it in. You will never know if you may want to use it again for some reason. Cap it and cover it with a bench, shelving, or something of the sort.
Posted by Martini
Near Athens
Member since Mar 2005
48847 posts
Posted on 2/14/16 at 5:03 pm to
quote:

Buy a pipe plug and install it a bout 2' from the top and cover with concrete. Cost about $20 and done in 15 minutes


Do this. And most water wells will fill in after a few years of not using.
Posted by upgrayedd
Lifting at Tobin's house
Member since Mar 2013
134865 posts
Posted on 2/15/16 at 7:50 am to
quote:

crankbait

You've definitely done this before

Some of these responses are
Posted by King of the Sabine
Member since Jan 2016
149 posts
Posted on 2/15/16 at 8:06 am to
Home water wells are abandonable by Louisiana law. You must dig down around them a minimum of 18 inches. cut the casing and annular pipe. If well is non-natural flow you are allowed to plug it and cement a minimum of 12" vertically and cover with a 12" cap that is at least 4 times the pipe diameter. SO basically dig down around it 18 inches cut it, plug it 12" below that fill the pipe with cement and fill above the cut 12 more inches thick and 8"circle if its a 2" pipe. Back fill with dirt. So 6" under the level ground will be top of cement you just poured. Must go to LDNR and document you plug with specs, pics, and GPS coordinates....take about 5 minutes online and your done. They will send you a cert. for permanent residential water well abandonment and a marker to stick in the ground to mark location.
Posted by CroTigerXIII
The Cro
Member since Dec 2009
1422 posts
Posted on 2/15/16 at 8:38 am to
quote:

Will water flow if pump is off?

No, but is that a legit method...like I said I want to do this right so the tree hugs don't come after me or a baby doesn't disappear down the well

quote:

How deep is it?
What is the casing size?
Is it operational and registered?

I have no idea on depth or casing size....pvc going through the slab is 2". The well is not operational.

How does one go about finding out if it is registered?

quote:

ust wondering, why was the well there and no longer needed? Would you think the need to use it at a later date is possible?


The well was installed at the time the home was built in the late 60's. At that time we did not have parish water lines so it was needed. Now that we have parish water it is not needed and I don't care to keep it operational in case the shtf. My parents' home next door has an operating well and I can use it should I ever really need.

quote:

Maybe it is worth calling in an expert.

Why the hell you think i came to the OB?


Posted by CroTigerXIII
The Cro
Member since Dec 2009
1422 posts
Posted on 2/15/16 at 8:40 am to
I found Amy Drilling...they did our well on our crawfish/rice ponds. I'll check with them on price.

So should I not like there price I will just cut off all the mechanicals, cut the casing a few inches above the slab, and glue a pipe cap to it.

Sounds good to me so thanks for all the advice.
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