Drilling a water well

[Furu]

Our well has 223 feet of standing water which means we have almost 1,300 gallons of water in the pipe! Pi * R squared * depth = 3.14*.25*223 = 174 cubic feet. 174 cf * 7.5 gallons per cubic feet is 1297.5 gallons!

Dan

Unless my math is wrong or you have a 12 inch casing then you only have 327.3 gallons not 1297.5 gallons of water in your well casing.
Pi * R squared * depth = (3.14) (.25)(.25) (223)= 43.76 cu ft then (43.76)(7.48)=327.3 gal
6in casing is .25 radius in ft or 3/12 ft
12 in casing is .5 radius in ft or 6/12 ft
You may have a 12 inch casing but in our area than would be very abnormal.
Sent from a junky iPhone

 

[creekbend]

Most of the wells that I have heard about in my county are 5 GPM. Many are lucky to get 5 GPM. One nearby lot has over 30 GPM, which is amazing, while we really got real lucky with 15 GPM.

Our well has 223 feet of standing water which means we have almost 1,300 gallons of water in the pipe! Pi * R squared * depth = 3.14*.25*223 = 174 cubic feet. 174 cf * 7.5 gallons per cubic feet is 1297.5 gallons!

My best guesstimate is that we use at most 200 gallons a day and I think we really use close to 100 gallons a day. Our well pump is no more than GPM, so in theory, we could run the pump constantly and not run out of water since the well is 15 GPM. Not that I would ever Ever EVER try such a thing. That well is precious.

We were at a friends house and their neighbor came over and asked if they had water since the neighbor was not getting water from her well. The neighbors boyfriend had run the well dry by watering the lawn. City boys. :laughing::laughing::laughing:

Later,
Dan

We had our well dug around 15 years ago. It is 442 feet deep. The County employee told me that at least 15 GPM was needed for a 3 bedroom, 2 bath home. Our GPM flow is 24. The well was drilled through solid Granite and Limestone. It was in July and the granite dust, mixed with my sweat, was like concrete. I had to wash off outside of our daughter's home using a water hose.

 

[dmccarty]

Unless my math is wrong or you have a 12 inch casing then you only have 327.3 gallons not 1297.5 gallons of water in your well casing.
Pi * R squared * depth = (3.14) (.25)(.25) (223)= 43.76 cu ft then (43.76)(7.48)=327.3 gal
6in casing is .25 radius in ft or 3/12 ft
12 in casing is .5 radius in ft or 6/12 ft
You may have a 12 inch casing but in our area than would be very abnormal.
Sent from a junky iPhone

Nope, my math was wrong. Well, no the math was right, the R was wrong. :laughing: I used .5 not .25. But even with the right R, , we have more water in our well than we use in a day.

Later,
Dan

 

[dmccarty]

We had our well dug around 15 years ago. It is 442 feet deep. The County employee told me that at least 15 GPM was needed for a 3 bedroom, 2 bath home. Our GPM flow is 24. The well was drilled through solid Granite and Limestone. It was in July and the granite dust, mixed with my sweat, was like concrete. I had to wash off outside of our daughter's home using a water hose.

I can't believe the county requires 15 GPM. If my county required that GPM we would only have one family near us. One of my neighbors uses the grit/dust/gravel left over from his well being drilled to fill pot holes in the road. It works real well.

Later,
Dan

 

[creekbend]

I can't believe the county requires 15 GPM. If my county required that GPM we would only have one family near us. One of my neighbors uses the grit/dust/gravel left over from his well being drilled to fill pot holes in the road. It works real well.

Later,
Dan

They did 15 years ago. I don't know if it has changed or not. Our property is surrounded by parcels of Caswell Game Lands. I do know that the County was attempting to reduce the amount of dwellings in our area back then. Perhaps the County employee was using this tactic to further their agenda?

 

[jinman]

I think some older Eastland County wells were in the 200' range, but your 300'-400' is the depth of the best water in my opinion. The Trinity Aquifer is available in the southern part of the county and that's good water. I don't know that there are any seasonal deals on water well drilling, but there is a great difference in the quality of drillers. If you were closer to Wise County, I could give you some suggestions, but I'd say check around with neighbors.

 

[dmccarty]

I think some older Eastland County wells were in the 200' range, but your 300'-400' is the depth of the best water in my opinion. The Trinity Aquifer is available in the southern part of the county and that's good water. I don't know that there are any seasonal deals on water well drilling, but there is a great difference in the quality of drillers. If you were closer to Wise County, I could give you some suggestions, but I'd say check around with neighbors.

What Jim said. Your county might have well records which might show how far down the wells had to go to hit water, GPM, well driller, and maybe water quality. I would stay with a local company since you might need service one day and that service might require an ASAP response.

Later,
Dan

 

[Rainbody]

http://www.tceq.texas.gov/gis/waterwellview.html
This may help. It's searchable by county and should allow you to price it out by depth.

http://www.tceq.texas.gov/assets/pu...dwater/pgma/2007_centex_pgma_report_final.pdf

This may help as well to give you some background and projections for water levels in the future.
Hope you strike water.

 

[tow653]

Just had a well drilled in Missouri,400' deep,180' casing,pump set at 300'.first ground water at 220.static water level,180',25gpm. Glad its that high,because we are using it for open loop geo thermal heat/cooling. All that info came from report driller had to file with state.