Agenda - Parks and Recreation Commission - 05/08/2003

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· Incorporation of"water quaIity treatment ponds" under the criteria contained in Sub-part 10(A* and B), with nature of"credit" determined by *The City of Ramsey has adopted the £J?_RWMO stormwater management fllan by. reference for this portion of the City, thus qualifying the City for eligibility under this element. As Table 12.2 shows, a total of 6.94 acres o£wetland will be'impacted and require replacement. A central feature of the P,.TC is a greenway corridor running though the cenu'al portion of the site. A system of storrnwater ponds, infiltration swales and meandering channels will link flows entering the site fi.om the northwest with flows generated on-site. TNs "waterway" will continue south from the RTC to the MTssissippi River. Within the context of this waterway system, on-site wetland replacement will be provided thou~ a combination o£ new wetlands, upland buglers and water quality improvement ponds designed to improve functions and values to downstream wetlands. The location of proposed on-site wetland replacement is shown in Figures 12.3 and 12.4. Table 12...3 summarizes the acreage and type of wetland replacement for each location. A general description for each wetland replacement site follows. Table 12.3 Surmmary of Proposed Wetland Mitigation Type 4 } . ' I" (Stomwate~) . (B~ers). . (Restoration) Subtotal . 1.'58 j2.30 ~t.35 [3~79 3'.J0 1.30 ,.0.40 11.90 [ 19.12 Grand Total { 26~37 *~VC - Public Value Credits Drainage Area 6 includes three existing wetlands (Wetland B, C and g). Wetland.B is a created wetland that includes a narrow buffer within a conservation easement. The e,'cisting drainageway will be left intact, while 0.81 acres o£the cropped wetland will be