4.2 none of the answers provided 7.1 Well yield Calculations Step 1 ____________ size of container in gallons Step 2 ____________ minutes to fill container Step 3 ____________ gpm (______ (Step 1) gallon container / ______ (Step 2) minutes to fill) Step 4 ____________ total minutes of pump run time for well yield test Step 5 _________ total gallons pumped = ______ (Step 3) gpm x ______ (Step 4) total minutes run time Step 6 ____________ recovered gallons (total gallons recovered (Step 5) x 0.90 Step 7 ____________ minutes time to recover gallons – Step 8 ____________ gpm Well Capacity (recovered gallons (Step 6) / (Step 7) Minutes Well yield test No. 2 revealed the following: Ave. of 0.5 minutes to fill 5-gallon bucket, 1 hour well test time, 30 minutes to recover to 90% of drawdown. What is the test pump gpm? How many gallons of water equal 90% recovery of the well? 1 180 2 270 3 360 10 540 How many gallons of water were pumped none of the answers provided from the well during the well test? 200 What is the well capacity/recovery rate in gpm? 300 10 400 12 600 none of the answers provided 18 22 23 Well yield Calculations Step 1 ____________ size of container in gallons Step 2 ____________ minutes to fill container Step 3 ____________ gpm (______ (Step 1) gallon container / ______ (Step 2) minutes to fill) Step 4 ____________ total minutes of pump run time for well yield test Step 5 _________ total gallons pumped = ______ (Step 3) gpm x ______ (Step 4) total minutes run time
4.2 7.1 none of the answers provided Well yield Calculations Step 1 ____________ size of container in gallons Step 2 ____________ minutes to fill container Step 3 ____________ gpm (______ (Step 1) gallon container / ______ (Step 2) minutes to fill) Step 4 ____________ total minutes of pump run time for well yield test Step 5 _________ total gallons pumped = ______ (Step 3) gpm x ______ (Step 4) total minutes run time Step 6 ____________ recovered gallons (total gallons recovered (Step 5) x 0.90 Step 7 ____________ minutes – time to recover gallons Step 8 ____________ gpm Well Capacity (recovered gallons (Step 6) / (Step 7) Minutes Well yield test No. 2 revealed the following: Ave. of 0.5 minutes to fill 5-gallon bucket, 1 hour well test time, 30 minutes to recover to 90% of drawdown. What is the test pump gpm? 1 2 3 10 How many gallons of water were pumped from the well during the well test? 200 300 400 600 none of the answers provided How many gallons of water equal 90% recovery of the well? 180 270 360 540 none of the answers provided What is the well capacity/recovery rate in gpm? 10 12 18 22 23 Well yield Calculations Step 1 ____________ size of container in gallons Step 2 ____________ minutes to fill container Step 3 ____________ gpm (______ (Step 1) gallon container / ______ (Step 2) minutes to fill) Step 4 ____________ total minutes of pump run time for well yield test Step 5 _________ total gallons pumped = ______ (Step 3) gpm x ______ (Step 4) total minutes run time