4.4. SR 11-21-2011 - Laserfiche WebLink

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November 8, 2011 Page 3 of 3 achieved on the project site or elsewhere. Information regarding the MPCA's Construction Stormwater Program can be found on the MPCA's website at: http•//www nca state mn us/water/stormwater/stormwater-c.html. Questions regarding Construction Stormwater Permit requirements should be directed to Roberta Getman at 507- 206-2629. Response to Comment #2 -Section 14 of the AUAR notes that the Mississippi River is designated as scenic and is it shown on Figure 14-1. It is the responsibility of the project proposer to secure any required permits and comply with any requisite permit conditions. No change to the AUAR is needed. Comment #3: Water Quality -Surface Water Runoff (Item 17): In addition, any project that will result in over 50 acres of disturbed area and has a discharge point within one mile of a special or impaired water is required to submit their Stormwater Pollution Prevention Plan (SWPPP) to the MPCA for a review at least 30 days prior to the commencement of land disturbing activities. If the SWPPP is found to be out of compliance with the terms and conditions of the General Permit, further delay may occur. The MPCA encourages the Project proposer to meet with staff at preliminary points to avoid this situation. Questions regarding SWPPP's should be directed to Todd Smith at 651-757-2732. Response to Comment #3 -It is the responsibility of the project proposer to secure any required permits and comply with any requisite permit conditions. No change to the AUAR is needed. Comment #4: Water Quality -Wastewater (Item 18): The wastewater flow expected to be produced from this project ranges from 0.135 million gallons per day (mgd) for scenario 1 to 0.375 mgd for scenario 2. These values appear reasonable based on the proposed land uses. As noted in the AUAR, a sanitary sewer extension permit will be necessary for construction of any proposed collection system capacity expansion or extension. Upgrades to the city's collection system maybe necessary. Any questions about applying for a sanitary sewer extension permit can be directed to Corey Mathisen at 651-757-2554. Response to Comment #4 -Water Use: No response is necessary. Comments from Mn/DOT: Comment #1: Background Traffic: This area is included in Mn/DOT's collar county model. While the model is not detailed enough to use to create detailed traffic forecasts, it's reasonable to refer to it for assessing background traffic increases for TH 10 and TH 169. The model suggests an annual growth rate closer to 1% for this section of TH 10 and 1.5% on TH 169. Using the County factor of 2.9% per year does not seem reasonable given both historic growth rates and modeled growth rates. Furthermore, the model does include forecasted growth within the study area, which suggests some double counting of trips would be occurring. Minneapolis ^ St. Cloud Equal Opportunity Employer N: (Public BodieslCity CauncillCouncil RCAIAgenda Packetll /-21-201 / (Comment Responses.docx