SOLUTION: I have a drilled well 6inches in diameter by 355 feet deep if the well and casing is full to top ,how many gallons is there in that well

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Question 466648: I have a drilled well 6inches in diameter by 355 feet deep if the well and casing is full to top ,how many gallons is there in that well
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
V=pir^2L
V=3.14*0.25^2*355
V=69.69 cu ft
69.69*7.45=520 gallons