Em4885 irrigation management practices to protect ground water

An example pump test report is seen in Figure 4-7.
P U M P T E S T
Test No.: 911624 Pump No.: #1
Record #: 70 Test Date: 05-June-91
Operator/Owner:
Address:
City:
Pumping plant location: PRESSURE AREA
PG&E location No.: 94556 Meter No.: 159036
Pump make: LAYNE Serial No.: 6740
Motor Make: NO NAME PLATE Serial No.: NA
Horsepower: 40
Motor Efficiency: 88.0 %
P U M P T E S T R E P O R T
Datum=c/l discharge pipe WIDE 15 PSI SHUT OFF
OPEN DISCHARGE
Static Water Level, Feet 81.4 81.4 81.4
PUMPING WATER LEVEL , feet 97.4 90.6 81.4
Drawdown, feet (dd) 16.0 9.2 0.0
Discharge pressure, psi 2.0 15.0 28
Discharge pressure, feet 4.6 34.7 64.7
TOTAL DYNAMIC HEAD, feet 102.0 125.3 146.1
Avg. disch. pipe velocity, fps 4.03 2.69 0
CAPACITY, gpm 651 434 0
YIELD OF WELL, gpm/ft. dd 41 47 NA
Water pumped per day, ac-ft 2.88 1.92 0.00
Measured speed, rpm 1770 1770 1770
Kilowatt input, kw 27.0 24.2 16.0
Horsepower input, hp 36.2 32.4 21.4
Kilowatt hours/unit pumped 225 302 NA
OVERALL PLANT EFFICIENCY,% 46.3 42.4 NA
Motor load, % full load 79.7 71.2 47.0
ENERGY COST, $/ac-ft 24.80 33.25 NA
Pump tested by:
TFR/MSR
Test witnessed by: WG
23
CHAPTER 4
FIGURE 4-7. Example pump test report (note the three operating conditions of wide open discharge,
15 pounds per square inch discharge, and no discharge)