Drick
In the Trades
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I have a 320 foot deep well (static level is 6 feet) that produces 2 gpm. The well is used for domestic and irrigation. The well is inadequate for my irrigation needs so I'm looking at locating more water. I have two options: drill deeper and hope I find more water OR redirect the overflow from my neighbors well (which already runs into wetlands on my property) into a containment tank. My neighbor's well is 420 feet deep, produces 20 gpm and the overflow is 2 gpm.
I would prefer to drill deeper, however it is unclear to me if this is going to yield a well with a higher GPM. My neighbor's well producing 20 gpm at 420 feet which is 100 feet deeper and 175 feet from my well. It seems like MAYBE is I drill 100 feet I'll get 20gpm. The problem is my neighbor on the other side of me has well - probably also about 175 feet from mine, but in the other direction - and it is 500 feet deep and only produces 2 gpm. I also pulled the well depths/gpm output for other wells within 3000 feet of mine and I found it to be very erratic. There are 800 foot wells producing 1gpm and 200 feet away from that well there is another at 340 feet that will produce 15 gpm.
I have estimated the cost of capturing the overflow from my neighbor's well - tank, pumps, wiring, structure to shelter it all - at around $3.6K. I spoke to a driller who was working at another house a couple of years back and he said it would be around $3K to go another 200 feet and reset the pump so I'm thinking cost is similar. I'm ok will drilling costing more as I think redirecting and storing the overflow from my neighbors is going to be a PITA not to mention I'll have to explain the whole contraption if I go to sell the house. What I'm worried about is finding no more water or damaging the existing well somehow.
I'm undecided on how to proceed. If someone with experience could comment on what the odds are on hitting more water in the next 200 feet (there seems to be no benefit to drilling deeper than 520 total based on the other wells near me) in an area with erratic well productions that would help. I figure I need 7gpm for drilling to be considered a success (by me). I'm also open to hydrofracking, but it seems to me I need to be deeper first. The well is located in southern NH.
Thanks,
-rick
I would prefer to drill deeper, however it is unclear to me if this is going to yield a well with a higher GPM. My neighbor's well producing 20 gpm at 420 feet which is 100 feet deeper and 175 feet from my well. It seems like MAYBE is I drill 100 feet I'll get 20gpm. The problem is my neighbor on the other side of me has well - probably also about 175 feet from mine, but in the other direction - and it is 500 feet deep and only produces 2 gpm. I also pulled the well depths/gpm output for other wells within 3000 feet of mine and I found it to be very erratic. There are 800 foot wells producing 1gpm and 200 feet away from that well there is another at 340 feet that will produce 15 gpm.
I have estimated the cost of capturing the overflow from my neighbor's well - tank, pumps, wiring, structure to shelter it all - at around $3.6K. I spoke to a driller who was working at another house a couple of years back and he said it would be around $3K to go another 200 feet and reset the pump so I'm thinking cost is similar. I'm ok will drilling costing more as I think redirecting and storing the overflow from my neighbors is going to be a PITA not to mention I'll have to explain the whole contraption if I go to sell the house. What I'm worried about is finding no more water or damaging the existing well somehow.
I'm undecided on how to proceed. If someone with experience could comment on what the odds are on hitting more water in the next 200 feet (there seems to be no benefit to drilling deeper than 520 total based on the other wells near me) in an area with erratic well productions that would help. I figure I need 7gpm for drilling to be considered a success (by me). I'm also open to hydrofracking, but it seems to me I need to be deeper first. The well is located in southern NH.
Thanks,
-rick