12-12-2022 City Council Packet - Laserfiche WebLink

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(10) Comprehensive Stormwater Management Plan.The City of Lino Lakes may develop a comprehensive stormwater management plan (CSMP) as an alternative way to meet the stormwater requirements of the local watershed agencies for development within a defined area and a common resource of concern (ROC). The CSMP will be submitted to the applicable watershed district for review and must comply with the reauirements of the watershed district. The following Comprehensive Stormwater Management Plans are adopted and in effect (a) Legacy at Woods Edge Development (LWED) CSMP 2016 LWED is defined as that area within the City of Lino Lakes bounded by 1-35W to the north, Town Center Parkway to the south, and Lake Drive to the west. The following LWED CSMP policies and regulations supersede portions of Sections 1011.011 within the LWED as follows: 1. Subpart (5) Water Quality Treatment and Subpart (6) Peak Stormwater Runoff Control: Private development shall not exceed the impervious areas listed in Appendix E of the LWED CSMP. If developers choose to exceed the impervious limits, they will be required to address any additional stormwater requirements within that parcel at their own expense and demonstrate how the additional runoff will be treated to meet the applicable Rice Creek Watershed District rules. Any such best management Dractices (BMPs) will be considered Drivate and be maintained by the owner/developer of the parcel. Northeast Lino Lakes Drainaae Area (NEDA) CSMP (September 2018): The NEDA is defined as that area within the City of Lino Lakes bounded by Main Street to the south, the City of Hugo to the east, Lake Peltier to the west and Rehbein Street to the north. The following NEDA CSMP policies and regulations supersede portions of Section 1011.011 with the NEDA as follows: 1. Subpart (5). Water Quality Treatment: Water quality treatment requirements shall be met through a variety of measures as is feasible on a regional or development- by -development basis. On -site infiltration is not feasible for most of the NEDA due to poor soils, high groundwater and the presence of wetlands. As development proceeds within the NEDA, developers shall be required to demonstrate that infiltration is not feasible on -site before utilizing any regional basins or other BMP alternatives. 2. Subpart (6). Peak Stormwater Runoff Control: Private development shall be restricted to an allowable flow rate of 0.1 cubic feet per second (cfs) per acre for the 100-year, 24-hour peak discharge rate. This will result in a maximum peak discharge rate from the NEDA into Peltier Lake of no more than 135 cfs. This restriction may be met through a combination of rate control practices on a regional or development -by - development basis. (8-) L11) Stormwater management plan required exhibits. The stormwater management plan shall be prepared and signed by a duly licensed engineer in the State of Minnesota. The following exhibits must accompany the permit application: two plan 27