Date of Award



Geological and Environmental Sciences

First Advisor

Dr. Duane R. Hampton

Second Advisor

Dr. Alan Kehew

Third Advisor

Dr. William Harrison III

Access Setting

Masters Thesis-Open Access


Over a two year period, Western Michigan University ran a number of pump tests in the Asylum Lake Area in Kalamazoo, Michigan. The transmissivities and storativities calculated from these tests differed significantly from well to well in any particular test, and from pump test to pump test. Utilizing the computer programs AQTESOLV 3.0 and Aquifer Parameter Estimator, a number of T and S values were calculated. After analysis of the results, the following conclusion was drawn. The main reason for the deviations in the T and S values arose from the mixing of the results of numerous methods (some of which were confined aquifer methods). The aquifer that was affected by the pump test is an unconfined aquifer, which required an unconfined analysis method in order to get results within reasonable limits.