1. Determine the storage coefficient
Problem
A confined aquifer is 25 m thick. 14 x 103 m3 of water is produced over a 2 km2 area by pumping from wells that lower the piezometric surface by 8 m.
Determine the storage coefficient
A B C
D E
Determine the specific storage (in m-1)
Determine the fraction of this yield attributable to compressibility of the aquifer skeleton if the porosity is 0.3
A 0-20% B 20-40% C 40-60%
D % E %
From Mays, 2011, Ground and Surface Water Hydrology

2. Identification PracticeB C E D
From Mays, 2011, Ground and Surface Water Hydrology

3. Identification PracticeB C D E
From Mays, 2011, Ground and Surface Water Hydrology

4. Schematic block diagram showing ground-water conditions in Cache Valley, Utah (from Kariya and others, 1994, from

5. From UGS Open-File Report 579 http://geology. utah

6. Darcy’s experiment: Pressure distribution and head loss in flow through a sand column
From Mays, 2011, Ground and Surface Water Hydrology