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<br />Mr. Dennis Welsch <br />June 3, 1997 <br />Page 2 <br /> <br />2. Please note that the Minnesota Plumbing Code requires that a buried sewer or drain be <br />located at least 10 feet from a buried water service line. If this distance cannot be <br />maintained, please contact the local plumbing regulatory authority or the MDH Engineering <br />Unit supervisor, Milton Bellin, at (612) 215-0838. <br /> <br />3. To ensure that the isolation distances will be met, we recommend a well inventory be <br />performed to determine if there are any existing water supply wells (active or unused, <br />unsealed) on any of the properties being developed, and especially along the routes of the <br />new sewer lines. We acknowledge that three well records in the city's files have been found <br />for wells on these properties. However, any database is incomplete, and should be <br />supplemented with fieldwork. Particular attention should be made in the areas shown on air <br />photos, old maps, etc. where any homesteads, farmsteads, or businesses (which predate city <br />sewer expansion to the area) have been located on these properties, as well as along property <br />boundaries where wells on adjacent properties may still exist. <br /> <br />4. We acknowledge the statement that any existing wells on these properties will be sealed <br />during the property redevelopment. Once a well is sealed by a licensed well contractor in <br />accordance with requirements of the Well Code, the isolation distance is no longer an issue. <br /> <br />Thank you for the opportunity to review this EA W. If you have questions or need further <br />information, please contact Betty Wheeler at (612) 215-0807. <br /> <br />Sincerely, <br /> <br />~.:-~---"'"" "-- <br /> <br />J..-.L- <br /> <br />Lin M. Nelson <br />Environmental Review Coordinator <br />Environmental Health Division <br /> <br />LMN:BJW:sdr <br /> <br />cc: James Nye <br />Ron Thompson <br />Betty Wheeler <br />