pumpage
nounEtymology From pump + -age.
1
That which is raised by pumps.
2
The amount of work done by pumps.
- A comparison of Silurian dolomite aquifer water-level hydrographs and pumpage graphs indicates that in general water-level decline is directly proportional to pumpage and suggests that recharge balances discharge.1962, Arthur John Zeizel, Ground-water resources of Du Page County, Illinois: