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ATTACHMENT A - AUAR MITIGATION PLAN The following Mitigation Plan report pages are part of a larger AUAR report. For the full AUAR and references with the Mitigation Plan, refer to Lino Lakes Main Street Alternative Urban Areawide Review (AUAR) dated August 2025. The Mitigation Plan references both the Comprehensive Plan (Scenario 1) and the preferred land use plan Scenario 2. Lino Lakes Main Street - AUAR 81 August 2025 Mitigation Plan This Mitigation Plan is submitted as part of the AUAR to provide reviewers and regulators with an understanding of the actions that are advisable, recommended, or necessary to protect the environment and minimize potential impacts by the proposed development scenarios. This Mitigation Plan has been revised and updated based on comments received during the Draft AUAR comment period. This Mitigation Plan is intended to satisfy the AUAR rules that require the preparation of a mitigation plan that specifies measures or procedures that will be used to avoid, minimize, or mitigate the potential impacts of development within the AUAR study area. Although mitigation strategies are discussed throughout the AUAR document, this plan will be formally adopted by the RGU as their action plan to prevent potentially significant environmental impacts. The primary mechanism for mitigation of environmental impacts is the effective use of ordinances, rules, and regulations. The plan does not modify the regulatory agencies’ responsibilities for implementing their respective regulatory programs nor create additional regulatory requirements. The plan specifies the legal and institutional arrangements that will assure that the adopted mitigation measures are implemented. In addition to the anticipated permits and approvals listed in Table 5, the mitigation measures developed in the AUAR process are outlined in Table 15. The plan is formatted consistent with the sections of the AUAR for ease of reference. Table 15: Mitigation Plan Resource Area Mitigation Land Use Scenario 1 and 2: Majority of the existing zoning is rural, which serves as a holding district until municipal services are available. Property will be considered for rezoning, consistent with the Comprehensive Plan, at the time of a development proposal. Scenario 2: Would require a comprehensive plan amendment. Scenario 1 and 2: The City will coordinate with the Metropolitan Council regarding any modifications needed to the TAZ forecasts for the AUAR study area, if needed. Scenario 1 and 2: Use the information contained in the AUAR during future considerations of updates or amendments to the adopted Comprehensive Plan and Zoning Ordinance. Any future consideration of amendments or updates to the Comprehensive Plan and Ordinances would follow the city’s set procedures and guidelines for such amendments. Scenario 1 and 2: Require that tools such as clustering, buffering, and/or screening be incorporated into future development plans to mitigate potential land use conflicts. Geology, Soils, and Topography Scenario 1 and 2: Where required, slope stabilization will be provided by means of vegetation establishment, erosion control blankets, or other standard methods of erosion and sediment control. An erosion control plan will be submitted to the City of Lino Lakes and future proposed development within the AUAR study area will require compliance with the City’s erosion and sediment control standards. Scenario 1 and 2: An NPDES and SWPPP will be obtained prior to any earthwork or grading activities within the AUAR study area. Require project proposers to meet the erosion and sediment control regulations in all applicable regulations, ordinances and rules of the city and MPCA, and Rice Creek Watershed District. Lino Lakes Main Street Final Alternative Urban Areawide Review (AUAR) August 2025 Prepared for: Prepared by: Lino Lakes Main Street - AUAR i August 2025 Table of Contents 1. Project Title ...................................................................................................................................... 3 2. Proposer .......................................................................................................................................... 3 3. RGU ................................................................................................................................................. 3 4. Reason for EAW Preparation .......................................................................................................... 3 5. Project Location ............................................................................................................................... 4 6. Project Description ........................................................................................................................... 8 7. Climate Adaptation and Resilience ................................................................................................ 12 8. Cover Types ................................................................................................................................... 18 9. Permits and Approvals Required ................................................................................................... 21 10. Land Use ........................................................................................................................................ 23 11. Geology, Soils, and Topography/Landforms ................................................................................. 33 12. Water Resources ........................................................................................................................... 37 13. Contamination/Hazardous Materials/Wastes ................................................................................ 54 14. Fish, Wildlife, Plant Communities, and Sensitive Ecological Resources (Rare Features) ........... 58 15. Historic Properties ......................................................................................................................... 69 16. Visual ............................................................................................................................................. 69 17. Air ................................................................................................................................................... 69 18. Greenhouse Gas (GHG) Emissions/Carbon Footprint .................................................................. 71 19. Noise .............................................................................................................................................. 73 20. Transportation ................................................................................................................................ 74 21. Cumulative Potential Effects .......................................................................................................... 80 22. Other Potential Environmental Effects .......................................................................................... 80 Mitigation Plan ...................................................................................................................................... 81 List of Tables Table 1: Development Scenarios ........................................................................................................... 9 Table 2: Climate Considerations and Adaptations .............................................................................. 15 Table 3: Cover Types ........................................................................................................................... 19 Table 4: Trees ...................................................................................................................................... 19 Table 5: Permits and Approvals Required ........................................................................................... 21 Table 6: Lino Lakes 2040 Comprehensive Plan Designations within the AUAR Study Area ............. 25 Table 7: Soil Types .............................................................................................................................. 35 Table 8: Projected Wastewater Demands ........................................................................................... 44 Table 9: Project Water Demands ......................................................................................................... 52 Table 10: MPCA “What’s in My Neighborhood?” Sites ....................................................................... 54 Table 11: Construction Emissions ....................................................................................................... 72 Table 12: Operational Emissions ......................................................................................................... 72 Table 13: Trip Generation Forecasts ................................................................................................... 75 Table 14: Intersection LOS .................................................................................................................. 76 Table 15: Mitigation Plan ..................................................................................................................... 81 List of Figures Figure 1: USGS Map .............................................................................................................................. 6 Figure 2: AUAR Study Area ................................................................................................................... 7 Figure 3: Scenario 1 ............................................................................................................................. 10 Figure 4: Scenario 2 ............................................................................................................................. 11 Figure 5: NCEI County Time Series - Average Temperature Trends for Anoka County .................... 12 Lino Lakes Main Street - AUAR ii August 2025 Figure 6: NCEI County Time Series - Average Precipitation Trends for Anoka County ..................... 13 Figure 7: Existing Cover Types ............................................................................................................ 20 Figure 8: Existing Land Use ................................................................................................................. 24 Figure 9: 2040 Land Use ..................................................................................................................... 26 Figure 10: Existing Zoning ................................................................................................................... 29 Figure 11: Rice Creek Watershed District Floodplain ......................................................................... 31 Figure 12: Soil Types ........................................................................................................................... 36 Figure 13: Surface Water Resources Within the Study Area .............................................................. 39 Figure 14: Surface Water Resources Within 1 Mile of AUAR Study Area .......................................... 40 Figure 15: Minnesota Well Index ......................................................................................................... 42 Figure 16: Full Build – Sewer Infrastructure ........................................................................................ 45 Figure 17: Cross Section View of Drainage and Conservation Framework ........................................ 51 Figure 18: MPCA Sites ........................................................................................................................ 56 Figure 19: Native Plant Communities, Sites of Biodiversity Significance, and Regionally Significant Ecological Areas .................................................................................................................................. 68 Figure 20: Traffic Study Intersections .................................................................................................. 79 List of Appendices Appendix A: List of Tax Parcels within Study Area Appendix B: Agency Correspondence Appendix C: Greenhouse Gas Analysis Appendix D: Traffic Study Appendix E: Comment Responses Appendix F: Comments MAPPING NORTHWEST MAIN - 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