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-206- <br /> <br />Mr. Patrick Trudgeon <br />Page 2 <br />May 16, 2003 <br /> <br />existing wells. Such a test would establish the nature of the hydraulic connection between the <br />bedrock and the drift and could probably be accomplished at little cost to the city. MDH staff <br />and equipment are available to assist with such an effort because the results could be used to <br />refine the wellhead protection planning efforts of the city. In the end, the kind of data generated <br />from long term monitoring and from pumping tests will be of greater value in establishing the <br />· effect, if any, of municipal pumping on groundwater elevations in the area than just' about any <br /> other kind of data or analysis. <br /> <br />Thank you for the opporamity to review the AUAR document. Please call me at 651-215-1322 <br />with any questions you may have on the contents of this letter. <br /> <br />Sincerely, <br /> <br />Stephen W. Robertson, P.G. <br />Drinking Water Protection Section <br />Environmental Health Division <br />P.O. Box 64975 <br />St. Paul, Minnesota 55164-0975 <br /> <br />SWR:kmc <br /> <br /> <br />