water well drilling info

   / water well drilling info #21  
If you are running a lot of water, like three sprinklers on new sod for two hours, the pump only starts one time. :thumbsup:

Ha! I can vouch for that on my system. Or, in my case, running 3 sprinklers on new grass for 8-10 hours. The pressure holds at a certain level and the pump never stops. And the electric meter spins really fast! :)
 
   / water well drilling info #22  
Ha! I can vouch for that on my system. Or, in my case, running 3 sprinklers on new grass for 8-10 hours. The pressure holds at a certain level and the pump never stops. And the electric meter spins really fast! :)
Actually the meter only spins fast enough to run the pump at the flow required.
 
   / water well drilling info #23  
We have a similar well to the OP - 410' with 10GPM recovery rate, static water level is 80' normally but will drop to 110-120' in a dry summer.

The pump is set at 370-380', and it's a 1.5HP Gould 10GPM Model 10GS15 which is about the size you will want to generate 10-12 GPM which is enough to run irrigation and also your house.

I would also go for 3 Wire pump (10 gauge wire in the well) as 90% of the time its motor failure, so get the starting components above ground will save you $. Typically its $1500+ to replace the pump by the well co. So I just keep complete spare on hand ($700 range) ready to go and they charge about $4-500 to pull and replace in about 3 hours time.

On tanks as others have said, get the biggest or install two tanks for a long drawdown to eliminate cycling of the pump. The tank sizes can be confusing - meaning a 52 gallon tank with a bladder, the actual drawdown on 40-60 PSI setting is around 14 gallons so two in series gets you 28 gallons. Also on the switch, have them put in a low pressure cut out type - so if the well does run out of water the pump shuts down at 18 PSI protecting the pump.

Pipe size 1" 200PSI pipe should be fine - this is the heavy wall - comes in 500' rolls, the 1.25" should not be needed unless you intend to use this commercially and need high flow.

Torque arrestors - at 400' I would use three of them spaced every 100 feet to keep the wire from abraiding on the well casing.

.
 
   / water well drilling info #24  
Actually the meter only spins fast enough to run the pump at the flow required.

Hmmm, are the pumps variable? I was under the impression that it was either on or off. I guess some are variable, just not sure of whether mine is or not.
 
   / water well drilling info #25  
Hmmm, are the pumps variable? I was under the impression that it was either on or off. I guess some are variable, just not sure of whether mine is or not.
The cycle stop valve sets the max pressure, the pump motor turns fast enough to supply the flow required: Cycle Stop Valves, Inc.



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   / water well drilling info #26  
About 7 or 8 yrs. ago a family I built a house for installed the on demand pump in this link and it certainly impressed me how well it worked. He recently sold the home and saw it was working as good as ever. Watered a few acres and the house hole use. This is my only experience with this system.
Goulds Constant Pressure Systems
 
   / water well drilling info #27  
About 7 or 8 yrs. ago a family I built a house for installed the on demand pump in this link and it certainly impressed me how well it worked. He recently sold the home and saw it was working as good as ever. Watered a few acres and the house hole use. This is my only experience with this system.
Goulds Constant Pressure Systems


I install lawn sprinklers , I do a lot of well systems . When the customer has the constant pressure system , they work great . The customer can even shower while the irrigation is on with no pressure loss . Its the way to go
 
   / water well drilling info #28  
Interesting. Thanks for the info on the cycle stop valve. Very cool.
 
   / water well drilling info #29  
I would have the company that drilled the well install the pump. My neighbor just built two big chicken houses and had a well dug for them. The water was a little brown and they thought it would clear up. In about a week it started pumping mud. My neighbor tried to pull the pump and it was stuck. the well co. came could not pull it. the well co. brought in the drill rig and tied again and the pump was still stuck and they could not get the pipe loose from the pump. They tried using the "drill" to push it down and they got 100' of drill rod stuck in the well. after working two days and getting some kind of 'air hammer" thing they got out 20' and quit for the day. The guy was just worn out trying to get it figured out. The farmer has two houses full of chickens and is hauling water in a semi tanker.

I go into all of this to say If you have problems even small problems it is better to have one co. to deal with instead of two blaming the other and you paying the bill. Ed

Talked to neighbor again the well driller left 80 ft of drill rod in the well and left. said he had to go drill a well for someone else. So he has 2 BIG chicken houses with thousands of birds in each and the well driller just goes his way. They just dug over 700 ft of waterline from a barn to get water to the houses. Not done yet, still using the tanker. Hope the old well can carry the house a milking parlor, the heard, and the two old chicken houses with the new ones as well. Ed
 
   / water well drilling info #30  
We are looking at 16 acres on a mountian top in east tenn. The well has been drilled, so i called the well driller for info. He told me it has 300 ft of casing and 105 ft more to get to the water for a total of 405 ft. It is 6 inch casing.

Asked about GPM and told me it was 25 gallons per minute. Is this a good flow rate ?

I will just need to get a pump installed if we buy the property. Any suggestions on type of pump and the do's and don'ts !!



Thanks

Chuck
If I read this right your water surface is 405' under? Hopefully that's not correct. I'm going to guess that once the water has been hit, it will fill the casing to a higher level.
 

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