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B nce on Attachment impacts to . e in the form of with these changes in less chloride ing propriate sediment and erosion ntrol methods and BMP’s will be Response Thank you for your comment. Apcoimplemented during construction. An NPDES permit and SWPPP will be obtained prior to construction. Thank you for your comment. Infiltration tests have been completed to determine the appropriate location of the infiltration basins designed for the proposed development. The infiltration standards and procedures will be reviewed and implemented to improve infiltration basin performathe site. Thank you for your comment. Theproposed project will result in lessimpervious surfacunderground/structured and surface parking, resultlocal lakes and streams — on have used — . Many winter compacted t the depth of - website 6 smeared and un - rom private companies “Urban Land” soil unit means that the . An recommended by MnDOT to improve n the environment, potentially reaching levels Due to the disturbed conditions of the soil, we . rformance. documented issue within Minnesota. Constructi - ormation and resources can be found at this IONS, RESPONSES TO COMMENTS Comment Page 8, Soils and Topographynative soil has been disturbed or displaced with fill and its composition is unknown, therefore the soil erodibility index rating is also unknown. A “Not Rated” map unit cannot be interpreted to mean that “erosion is unlikely.” Disturbed soil/fill is often compacted and more susceptible to erosion. That said, as long as appropriate sediment and erosion control BMP’s are used, soil erosion can be mitigated.Page 11, Stormwaterrecommend conducting an infiltration test to verify design infiltration rates at each infiltration basin location. Stormwater infiltration basin failure is a wellBMP’s should be followed and any excavation should be in a manner that maintains soil structure in an unstandards and proceduresinfiltration basin peResidential and commercial areas utilize large quantities of road salt to keep roads, sidewalks, and parking lots passable during the winter. Chloride released into local lakes and streams does not break down, and instead accumulates ithat are toxic to aquatic wildlife and plants. Consider promoting local business and city applicator participation in the Smart Salting Training offered through the Minnesota Pollution Control Agency. More infmaintenance staff who have attended the Smart Salting training both from cities and counties and forganizations. condition. We recommend that no grading activities within infiltration basins be performed when the soil moisture content aexcavation is below the plastic limit. Please review these 2018 their knowledge to reduce salt use and save money for their CLUS Responder Entity RECORD OF DECISIONFINDINGS OF FACT AND CON