Hydrology problem. 6. Three pumping wells are located around an observation well as shown in the figure below. All three wells have diameters of 0.5 m and are drilled into the same confined aquifer system with transmissivity of 20 m²/day. Water is pumped at a rate of 140 m*/day from well P1, 105 m /day from well P2, and 90 m*/day from well P3. Steady- state drawdown in each well is 5.4 m for Pl, 4.3 m for P2, and 3.7 m for P3. Find the steady-state drawdown in the observation well. • P1 70 m 55 m P3 • P2 60 m

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Hydrology problem.
6. Three pumping wells are located around an observation well as shown in the figure
below. All three wells have diameters of 0.5 m and are drilled into the same confined
aquifer system with transmissivity of 20 m2/day. Water is pumped at a rate of 140
m*/day from well P1, 105 m /day from well P2, and 90 m /day from well P3. Steady-
state drawdown in each well is 5.4 m for P1, 4.3 m for P2, and 3.7 m for P3. Find the
steady-state drawdown in the observation well.
• P1
70 m
55 m
P3
• P2
60 m
Transcribed Image Text:Hydrology problem. 6. Three pumping wells are located around an observation well as shown in the figure below. All three wells have diameters of 0.5 m and are drilled into the same confined aquifer system with transmissivity of 20 m2/day. Water is pumped at a rate of 140 m*/day from well P1, 105 m /day from well P2, and 90 m /day from well P3. Steady- state drawdown in each well is 5.4 m for P1, 4.3 m for P2, and 3.7 m for P3. Find the steady-state drawdown in the observation well. • P1 70 m 55 m P3 • P2 60 m
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