You want to pump water at $70^{\circ} \mathrm{F}$ from an open well, $200 \mathrm{ft}$ deep, at a rate of $30 \mathrm{gpm}$ through a $1 \mathrm{in}$. sch 40 pipe, using a centrifugal pump having an NPSH of $8 \mathrm{ft}$. What is the maximum distance above the water level in the well that the pump can be located without cavitating? (Vapor pressure of water at $60^{\circ} \mathrm{F}=18.7 \mathrm{mmHg}$ )