1Indirect pressure gauge formula: Water level (ft) = __________ ___________ (ft) - pressure gauge reading (ft)
airline length
2Drawdown (ft) = _____________ water level (ft) - static water level (ft)
dynamic
3Specific capacity of a well (gpm/ft) = pumping rate (gpm) / _________ (ft)
drawdown
4Indirect pressure gauge formula: _______ __________ (ft) = airline length (ft) - pressure gauge reading (ft)
water level
5Drawdown (ft) = dynamic water level (ft) - ________ water level (ft)
static
6Specific capacity of a well (gpm/ft) = _________ _____ (gpm) / drawdown (ft)
pumping rate
71 cubic ft = _______ gallons of water
7.48
81 psi = ______ ft of water
2.31