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~U~ 1 ~ L~, 1Vlinnesota Department of Natural Resources Metro Waters, 1200 Warner Road, St. Paul, NIN 55106-6793 Telephone: (651) 772-7910 Fax: (651) 772-7977 July 8, 2000 City of Shoreview, Department of Community Development Ms. Melissa Joyce, Senior Planner 4600 North Victoria Street Shoreview, MN 55126 RE: Ramsey County P.U.D., Lake Owasso (62-56P) Shoreland District, City of Shoreview, Ramsey County Dear Ms. Joyce: DNR Metro Waters received the application comment form for the Ramsey County P.U.D. on Lake Owasso (62-56P) on March 10, 2000. The Ramsey County P.U.D. is located in the northeast quarter of the southeast quarter of Section 36, Township 30 North, Range 23 West in Ramsey County. I apologize for the untimeliness of the response to this project However, it appears that the County and City have drawn heavily upon the P.U.D. standards contained within the City of Shoreview Shoreland Ordinance and designed a superior development. Thus, the DNR has no major concerns for the Ramsey County P.U.D. We have the following general comments on the Ramsey County P.U.D: 1. While the County is aware that Lake Owasso (62-56P) is a DNR Protected Water, steps should be taken to ensure that future administrators of this complex know that Lake Owasso is a DNR Protected Water. The administrators should be told that anything that occurs below the Ordinary High Water (OHW) level of 887.10' (1912 Datum) is under the jurisdiction of the DNR and may require a DNR P ermit. In addition, we wish to mention that the creation of the waterway from the sediment pond to Lake Owasso will require a DNR Permit if the thalweg of the stream at the point where it meets Lake Owasso is below the OHW. 2. The proposed Ramsey County P.U.D. administration building is located close to the sediment pond. The lowest level of the building should be constructed well above the 100-year flood elevation of the sediment pond in accordance with the floodpiain regulations of the City of Shoreview and the Grass Lake WMO. We are also assuming that all the structures in the Ramsey County P.U.D. will be constructed well. above the 100-year flood elevation of Lake Owasso. 3. The Ramsey County P.U.D. is located well within the 1000' shoreland district of Lake Owasso, a General Development lake. We wish to commend the City of Shoreview and Ramsey County for designing a development that requires no variances from the City Shoreland Ordinance and that appears to have been designed in accordance with the P.U.D. portion of the Shoreland Ordinance. We particularly wish to commend the City and County on the preservation of the majority of the wooded areas adjacent to the shoreline ofLake Owasso; the large setback of all the buildings from the OHW of Lake Owasso; the large amount of open space in the development; and, the use of a grassed waterway to convey stormwater from sediment pond to Lake Owasso. 4. A DNR Appropriation Permit is required for construction dewatering in excess of 10,000 gallons per day, or one million gallons per year. It typically takes five (5) days for a permit application for DNR Information: 651-296-6157 1-888-646-6367 • TTY: 651-296-5484 1-800-657-3929 An Equal Opportunity Employer Printed on Recycled Paper Containing a Who Values Diversity €~ Minimum of 10% Post-Consumer Waste