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Well Siting and Aquifer <br />Interference Analysis <br />ROSEMOUNT, MN <br />Dleplacement(ft) <br />1w. <br />W. <br />80. <br />70. <br />80. <br />50. <br />40. <br />30. <br />20. <br />10. <br />0. <br />0.001 <br />1 me Loslance YKK ror INVS a[ t'em3lea L apecrry for JO days <br />0.01 <br />0.1 <br />10. <br />Time (day) <br />100. <br />1.0E+4 <br />Obs. Wells <br />Aquifer Model <br />Leaky <br />Solution <br />HantushJacob <br />Parameters <br />T = 4550. 112/da <br />S = 0.0003 <br />133 = 0.00058821 <br />KZ/Kr = 1. <br />b =80_ft <br />This analysis included a time-drawdown projection at six observation wells (left), <br />and projected drawdown contours and nearby domestic wells (right), completed in <br />AQTESOLV software. <br />SEH evaluated a new supply well site for the City of Rosemount, including the <br />following tasks: <br />o Compiled published aquifer test data for the source aquifer <br />c Analyzed the data in AQTESOLV with the Hantush-Jacob leaky aquifer solution (T = <br />4,550 ft/day) <br />o Projected drawdown at nearby domestic wells and public water supply wells at <br />permitted capacity for 30 days <br />c Mapped the drawdown to show which private wells were at risk of interference <br />o Provided an SEH professional geologist on site during drilling to log geology and <br />coordinate with the contractor <br />SEH is now preparing the City's Wellhead Protection Plan update. <br />Project Details <br />CLIENT <br />City of Rosemount <br />YEAR COMPLETED <br />2025 <br />REFERENCE <br />Nick Egger, Public Works Director <br />651.322.2015 <br />nick.egger@rosemountmn.gov <br />KEY PERSONNEL <br />Chad Katzenberger <br />Taylor Thom <br />Mark Sherrill <br />Melanie Niday <br />SHORT ELLIOTT HENDRICKSON INC. <br />WELL SITING ASSESSMENT FOR MUNICIPAL WELLS #9 AND #10 <br />