CEMP-E
TI 814-01
3 August 1998
where:
Q
= pumping rate in gpm
= hydraulic conductivity of water bearing unit in gpd/ft2
K
H
= static head from bottom of aquifer in feet.
h
= pumping head from bottom of aquifer in feet
R
= radius of influence in feet
r
= radius of well in feet
Figure 5-3. Diagram of Water Table Well (unconfined aquifer).
In an artesian aquifer, the water-bearing formation is confined between the two impervious
strata.
5-7
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