In order to have confidence in the results of a pumping test, the drawdown observations must be significantly greater than natural daily fluctuations of the water level in observation wells (+/- 0.15 m). If you then aim for a measured drawdown of 0.6 m after 12 hours in an observation well 100 m from the pumping well. What is the pumping rate you would recommend if T is expected to be about 4.8 x 103 m²/s and S about 2 × 10-4?

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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In order to have confidence in the results of a pumping test, the drawdown observations must be
significantly greater than natural daily fluctuations of the water level in observation wells (+/- 0.15
m). If you then aim for a measured drawdown of 0.6 m after 12 hours in an observation well 100 m
from the pumping well. What is the pumping rate you would recommend if T is expected to be
about 4.8 x 103 m²/s and S about 2 × 10-4?
Transcribed Image Text:In order to have confidence in the results of a pumping test, the drawdown observations must be significantly greater than natural daily fluctuations of the water level in observation wells (+/- 0.15 m). If you then aim for a measured drawdown of 0.6 m after 12 hours in an observation well 100 m from the pumping well. What is the pumping rate you would recommend if T is expected to be about 4.8 x 103 m²/s and S about 2 × 10-4?
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