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Comprehensive Stormwater Management Plan <br />Northeast Lino Lakes Drainage Improvement Project <br />WSB Project No. 2929-79 <br />Table of Contents <br /> <br />EXECUTIVE SUMMARY .............................................................................................................................. 1 <br />1 INTRODUCTION ................................................................................................................................... 2 <br />1.1 Project Location ............................................................................................................................ 2 <br />1.2 Drainage Areas and Resources of Concern ................................................................................. 2 <br />1.3 Water Resources Design Criteria.................................................................................................. 3 <br />1.3.1 Lino Lakes Comprehensive Plan .............................................................................................. 3 <br />1.3.2 Northeast Lino Lakes Alternative Urban Areawide Review ...................................................... 3 <br />1.3.3 Resource Management Plan (RMP) ......................................................................................... 3 <br />1.3.4 Special Area Management Plan (SAMP) .................................................................................. 4 <br />1.3.5 Regulations and Policies ........................................................................................................... 4 <br />1.3.6 Regulatory Requirement Overview ........................................................................................... 5 <br />2 EXISTING CONDITIONS....................................................................................................................... 6 <br />2.1 City of Hugo................................................................................................................................... 6 <br />2.2 City of Lino Lakes .......................................................................................................................... 6 <br />2.3 Existing Land Uses ....................................................................................................................... 6 <br />2.4 Soils and Geology ......................................................................................................................... 7 <br />2.5 Groundwater.................................................................................................................................. 7 <br />2.6 Surface Water Hydrology .............................................................................................................. 7 <br />2.6.1 I-35E Construction..................................................................................................................... 7 <br />2.6.2 Drain tile systems ...................................................................................................................... 7 <br />2.6.3 Wetlands ................................................................................................................................... 8 <br />2.7 Cultural Resources ........................................................................................................................ 8 <br />3 HYDROLOGIC AND HYDRAULIC Analyses ........................................................................................ 9 <br />3.1 Hydrology ...................................................................................................................................... 9 <br />3.2 Upper Rice Creek ........................................................................................................................ 10 <br />3.3 Clearwater Creek ........................................................................................................................ 11 <br />3.4 Hardwood Creek ......................................................................................................................... 12 <br />3.5 Rice Creek HEC-RAS ................................................................................................................. 13 <br />4 PROPOSED IMPROVEMENTS .......................................................................................................... 14 <br />5 PROPOSED CONDITIONS MODELS ................................................................................................. 15 <br />5.1 Hydrology Updates ...................................................................................................................... 15 <br />5.2 Hydraulic Updates ....................................................................................................................... 16 <br />5.2.1 Upper Rice Creek InfoSWMM – Proposed Conditions ........................................................... 16 <br />5.2.2 Clearwater Creek InfoSWMM – Proposed Conditions ............................................................ 17 <br />5.2.3 Hardwood Creek InfoSWMM – Proposed Conditions ............................................................. 18 <br />5.2.4 Rice Creek HEC-RAS – Proposed Conditions ........................................................................ 18 <br />6 RCWD RULE C REQUIREMENTS ..................................................................................................... 19