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RECORD NUMBER: 123 OF 284

OLS Field Name OLS Field Data
Main Title Optimizing Pumping Strategies for Contaminant Studies and Remedial Actions.
Author Keely, J. F. ;
CORP Author Robert S. Kerr Environmental Research Lab., Ada, OK.
Year Published 1984
Report Number EPA/600/J-84/086;
Stock Number PB84-243807
Additional Subjects Ground water ; Plumes ; Water pollution ; Observation wells ; Sampling ; Water flow ; Aquifers ; Flow rate ; Pumping ; Selection ; Protectors ; Gravel ; Operations ; Depth ; Diameters ; Hydraulic gradients ; Construction ; Reprints ; Pumping wells ; Path of pollutants
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB84-243807 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 14p
Abstract
One of the more common techniques for controlling the migration of contaminant plumes is the use of pumping wells to produce desired changes in local flow rates and hydraulic gradients. When seeking to optimize an array of pumping well locations and discharge rates, it is important to consider the effects that non-ideal aquifer conditions, well construction and demographic constraints produce. Heterogeneous and anisotropic aquifer conditions seriously complicate siting and discharge rate requirements for pumping wells because of the distorted cones of depression that result from withdrawing water in such settings. Proper screen selection, gravel pack emplacement and well development are crucial factors affecting the operational characteristics and economics of pumping wells; these factors are generally recognized, though often undervalued. The impacts that well depth and diameter, and screen length and position have on the effectiveness of pumping efforts are also often undervalued, with detrimental consequences.