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2017-05-10 CC Packet
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2017-05-10 CC Packet
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June 8, 2010 <br />Dallas Larson <br />Administrator <br />City of Centerville <br />1880 Main Street <br />Centerville, MN 55038-9794 <br />Re: Downtown Storm Water Reclamation Project <br />City of Centerville <br />Bonestroo File No.: 000616-08167-0 <br />Dear Dallas: <br />2335 Highway 36 W <br />St. Paul, MN 55113 <br />Tel 651-636-4600 <br />Fax 651-636-1311 <br />www.bonestroo.com <br />sonestroo <br />At a special City Council meeting/workshop held on October 21, 2009 we presented a letter to <br />the Council regarding some concerns with the stormwater reclamation project. In summary, the <br />concerns are these: <br />1. Will the reclaimed stormwater harm the grass or other vegetation in the area to be <br />irrigated due to high salt levels or pH? <br />2. Will the reclaimed stormwater be hazardous for the users of the irrigated area? <br />In an effort to perform our due diligence on these issues, we have and continue to research <br />other similar projects and their experiences. In addition to this measure of assurance, the City <br />Council asked if stormwater from the pond, sediment from the pond, and soil from the balifieids, <br />could be tested to gain a better understanding of what background levels of certain pollutants <br />exist and whether or not these should levels should be of concern. <br />In summary, the results show levels of contaminants in the pond water lower than maximums set <br />for swimming areas and levels of contaminants in the soils within naturally occurring ranges. <br />The following are tables showing the assumed applicable standards, along with our results for <br />the three categories of materials tested. <br />104 <br />
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