An industrial food-manufacturing operation wishes to expand, and it requires an improved water supply. They propose to construct a fully penetrating well in an infinite, horizontal, confined, homogeneous, isotropic aquifer, and they plan to pump at a constant rate of 20 L/s. If T = 1.3 x 10-2 m2/s, and S is 2.0 x 10-4, make the following calculations. a. Calculate the drawdown that would occur in an observation well 60 m from a pumping well at times of 1, 5, 10, 50 and 210 min after the start of pumping. The environmental regulator has imposed a limitation on the drawdown from the well in order to prevent impacts to surrounding groundwater users. If the drawdown limit is set to a maximum of 1.5 m at a distance of 250 m, after ten days of pumping, is this well likely to be in compliance with the regulation?
An industrial food-manufacturing operation wishes to expand, and it requires an improved water
supply. They propose to construct a fully penetrating well in an infinite, horizontal, confined,
homogeneous, isotropic aquifer, and they plan to pump at a constant rate of 20 L/s. If T = 1.3 x 10-2
m2/s, and S is 2.0 x 10-4, make the following calculations.
a. Calculate the drawdown that would occur in an observation well 60 m from a pumping well
at times of 1, 5, 10, 50 and 210 min after the start of pumping.
The environmental regulator has imposed a limitation on the drawdown from the well in
order to prevent impacts to surrounding groundwater users. If the drawdown limit is set to
a maximum of 1.5 m at a distance of 250 m, after ten days of pumping, is this well likely to
be in compliance with the regulation?
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