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Lino Lakes Local Water Management Plan 1 November 2018 – WSB Project No. 02988-500 Contents Local Water Management Plan ................................................................................................................................................................................................................................................................................................................................................................ 4 EXECUTIVE SUMMARY ................................................................................................................................................................................................................................................................................................................................................................. 4 Local Water Management Plan Purpose ........................................................................................................................................................................................................................................................................................................................................ 4 Local Water Management Responsibilities and Related Agreements ........................................................................................................................................................................................................................................................................................ 4 Background ......................................................................................................................................................................................................................................................................................................................................................................................... 4 Summary of Implementation Section ............................................................................................................................................................................................................................................................................................................................................. 5 1. INTRODUCTION ...................................................................................................................................................................................................................................................................................................................................................................... 6 1.1 Purpose ................................................................................................................................................................................................................................................................................................................................................................................... 6 1.2 Local Water Management Responsibilities and Related Agreements ........................................................................................................................................................................................................................................................................... 7 1.3 Amendments to the Local Water Management Plan ....................................................................................................................................................................................................................................................................................................... 7 1.4 Roles and Responsibilities .................................................................................................................................................................................................................................................................................................................................................... 7 2. PHYSICAL ENVIRONMENT AND RESOURCE ASSESSMENT ................................................................................................................................................................................................................................................................................ 9 2.1 Climate and Precipitation ..................................................................................................................................................................................................................................................................................................................................................... 9 2.2 Topography, Soils and Geology ....................................................................................................................................................................................................................................................................................................................................... 10 2.3 Resource Management Units ............................................................................................................................................................................................................................................................................................................................................ 14 2.4 Surface Water Resources ................................................................................................................................................................................................................................................................................................................................................... 15 2.5 Stormwater Management System .................................................................................................................................................................................................................................................................................................................................... 26 2.6 Water Quality Data and Impairments ............................................................................................................................................................................................................................................................................................................................. 26 2.7 Groundwater Resources .................................................................................................................................................................................................................................................................................................................................................... 30 2.8 Existing Conditions ........................................................................................................................................................................................................................................................................................................................................................... 34 2.9 Fish and Wildlife Habitat .................................................................................................................................................................................................................................................................................................................................................. 40 2.10 Regulated Pollutant Sources ......................................................................................................................................................................................................................................................................................................................................... 41 2.11 Proposed Conditions ......................................................................................................................................................................................................................................................................................................................................................... 43 3. ASSESSMENT OF WATER RESOURCE-RELATED PROBLEMS AND ISSUES ................................................................................................................................................................................................................................................. 46 3.1 Issues .................................................................................................................................................................................................................................................................................................................................................................................... 46 3.2 Goals and Policies .............................................................................................................................................................................................................................................................................................................................................................. 48 4. GOALS AND ACCOMPLISHMENTS ................................................................................................................................................................................................................................................................................................................................ 52 5. LOCAL IMPLEMENTATION PROGRAM ...................................................................................................................................................................................................................................................................................................................... 53 5.1 Implementation Activities ................................................................................................................................................................................................................................................................................................................................................. 53 5.2 Implementation Costs ....................................................................................................................................................................................................................................................................................................................................................... 55