12/20/2006 Env Bd Packet - Laserfiche WebLink

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• MEMORANDUM To: From: Subject: Jeff Smyser City Planner The City of Lino Lakes Marcey L. Westrick Mandatory EAW for Nature's Refuge Conservation Development EMMONS & OLIVIER RESOURCES Date: November 21, 2006 The purpose of this memorandum is to provide comments of concern on behalf of the Rice Creek Watershed District (RCWD) on the Mandatory EAW for the Nature's Refuge Conservation Development located in the City of Lino Lakes. The comments listed below are with reference to the pertinent section in the EAW. #6 Drainage. Please define "no net change in existing drainage pattern in remaining wetlands ". Does this refer to rate and/or volume? Changes in volumes could impact the wetland resources. #9 It should be noted that the wetland delineation for this property has not been formally approved and at this point is considered preliminary. #10. The approximate proposed wetland impacts of 7 acres will be subject to WCA sequencing and mitigation requirements through the RCWD permitting process and should be considered as only an initial estimate at this time. #12. Wetlands serve both hydrologic and water quality functions. The RCWD strongly encourages the project proposer to conduct a functional assessment of both the water quality and hydrology of the existing wetlands to ensure the avoidance and minimization of impacts to these functions. #14. There is indication of some floodplain fill. The RCWD is concerned about how this will affect the hydrology of the adjacent wetlands in complex 7. #17. No comparison of quantity and quality of runoff pre- and post- construction was conducted. Because the project site ultimately discharges to Marshan Lake which is an impaired waterbody under the MPCA 303(d) list, such an assessment needs to be conducted. The RCWD commends and encourages the City of Lino Lakes in their efforts to integrate development with conservation. Please feel free to contact me if you have any questions regarding these comments. c: RCWD Board of Managers • RCWD District Office, ATTN: Steve Hobbs