Question 1007 of 223 · California Water Treatment Operator Exam
A well produces 450 gpm with a drawdown of 30 ft. What is the specific capacity of the well?
Exactly one answer is correct.
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Correct answer to question 1007
- D: 15 gpm per ft of drawdown
Explanation
Specific capacity = yield / drawdown = 450 gpm / 30 ft = 15 gpm/ft. Multiplying instead of dividing gives 13,500, and inverting the ratio gives 0.067.
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