Comp Plan 2020 Public Input Summary

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  • Title slide: Coon Creek Watershed District –Anoka County, MN. Presentation about who we are and what we do and how community can help.
  • Comp Plan 2020 Public Input Summary

    1. 1. Water Resources Assessment & Issues September 16, 2010 Coon Creek Watershed District
    2. 2. Purpose Tonight <ul><li>Bring you up to date </li></ul><ul><li>Brief you on what we’ve learned </li></ul><ul><li>Seek input </li></ul>
    3. 3. Agenda <ul><li>1. Intro to CCWD </li></ul><ul><li>2. Water Resource Assessment </li></ul><ul><li>3. Issues </li></ul><ul><li>4. Needs </li></ul>
    4. 4. 92 sq mi. (58,880 acres) 270 miles of open channel 363 miles of pipe 16,800 acres of lake & wetland Coon Creek Watershed
    5. 5. Mission Statement <ul><li>To manage groundwater and surface water systems to: </li></ul><ul><li>Prevent property damage </li></ul><ul><li>Maintain hydrologic balance </li></ul><ul><li>Protect water quality </li></ul><ul><li>for the safety and enjoyment of citizens & the preservation and enhancement of wildlife habitat. 1990 </li></ul>
    6. 6. Planning mandates Comprehensive Management Plan Watershed District Watershed Act (M.S. 103D) WMO Metropolitan Water Management Act (M.S. 103B) MS4 Clean Water Act NPDES-SWPPP (40 CFR 112)
    7. 7. Available online: www.cooncreekwd.org Reviews Current Plan 2000-2009 Changes & Trends Implications of Changes & Trends 2020 Management Expectations Water Resources Changes in Conditions
    8. 8. Issues Physical Management Social
    9. 9. Physical Issues: Supply & Capacity Concerns <ul><li>Hydrology </li></ul><ul><li>Biology </li></ul><ul><li>Geology </li></ul><ul><li>Chemistry </li></ul>Word of the Day: Biogeochemisis
    10. 10. Supply Issue <ul><ul><li>Less annual precipitation </li></ul></ul><ul><ul><li>Greater occurrence of larger precipitation events over smaller areas </li></ul></ul>
    11. 11. Supply Issue <ul><li>Surficial Groundwater Scarcity </li></ul>Sand Clay
    12. 12. Supply Issue <ul><li>Surface Water </li></ul>
    13. 13. Social Issues Issues of Direct & Indirect Demand
    14. 14. Demand Issues <ul><li>Direct </li></ul><ul><li>Drainage </li></ul><ul><li>Water Source </li></ul><ul><li>Recreation </li></ul><ul><li>Indirect </li></ul><ul><li>Flood Control </li></ul><ul><li>Groundwater Recharge </li></ul><ul><li>Water Quality </li></ul>
    15. 15. Drainage: Decrease in Acres, Increase in Need Direct Demand Issues
    16. 16. Direct-Demand <ul><li>Water Source </li></ul><ul><li>Increase in Demand </li></ul>
    17. 17. Indirect Demand Issues <ul><li>Flood Control </li></ul><ul><ul><li>More “localized” Regional flood events (Andover x Ham Lake) </li></ul></ul><ul><li>Groundwater Recharge </li></ul><ul><ul><li>Need approximately 10 to 15,000 AFPY for 10 years to return to 1988 elevations </li></ul></ul>
    18. 18. Indirect Demand Issues TMDL Develop Biota Maintain Volume Maintain Dissolved Oxygen 2.5 Reduce Phosphorus 8 Reduce TSS 3 Reduce Turbidity Factor Need Water Quality
    19. 19. Management Issues Technology & Know-How Funding Regulation Public Relations Allocation & Decision Making
    20. 20. Management Issues Technology & Know-how <ul><li>Groundwater x Surface water modeling </li></ul><ul><li>Large-scale infiltration </li></ul><ul><li>Infiltration/Groundwater recharge for target water body </li></ul>
    21. 21. Management Issues Funding <ul><ul><li>Equitable & sufficient </li></ul></ul><ul><ul><li>financing approaches </li></ul></ul><ul><ul><li>that </li></ul></ul><ul><ul><li>reflect full economic value of water resource </li></ul></ul>
    22. 22. Management Issues Public Relations <ul><ul><li>Informing the public about ways to reduce stormwater pollution </li></ul></ul><ul><ul><li>Involving the public in stormwater management </li></ul></ul>
    23. 23. Management Issues Regulation <ul><li>Facilitating required changes </li></ul><ul><ul><ul><li>Infiltration/water conservation </li></ul></ul></ul><ul><ul><ul><li>Minimum Impact Development Standards (MIDS) </li></ul></ul></ul><ul><ul><ul><li>Impaired water goals </li></ul></ul></ul><ul><ul><ul><li>Anti-Degradation Goals </li></ul></ul></ul><ul><ul><ul><li>Coordinated water planning </li></ul></ul></ul>
    24. 24. Management Issues Government Relations <ul><ul><li>Increased Coordination & Collaboration in </li></ul></ul><ul><ul><li>Projects </li></ul></ul><ul><ul><li>Programs </li></ul></ul><ul><ul><li>Funding </li></ul></ul>
    25. 26. Sustainable Issues Control post development peak to predevelopment rate Evaluate 100 yr event <ul><li>Floodplain </li></ul><ul><ul><li>Overbank Flood Protection </li></ul></ul><ul><ul><li>Extreme Storm </li></ul></ul>Reduce erosive velocities & unstable conditions <ul><li>Ditches & Drainage </li></ul><ul><ul><li>Channel Protection </li></ul></ul>Need Issue
    26. 27. Deteriorating Issues Retain some of the load by retaining volume Erosion & Sed. Control Need Issue
    27. 28. Serious Issues Infiltrate to predevelopment Soil Hydro group or greater Retain some of the load by retaining volume Groundwater Wetlands & Lakes Water Quality Need Issue
    28. 29. Types of Issues <ul><li>Existing conditions require immediate attention because </li></ul><ul><li>They are a serious threat </li></ul><ul><li>And/or </li></ul><ul><li>There is no known technology or management strategy for dealing with them </li></ul><ul><li>Management and technology are not expected to keep pace with demands for resource uses, </li></ul><ul><li>and/or </li></ul><ul><li>Resource conditions will deteriorate in the future </li></ul>Management can sustain existing conditions and/or projected levels of use Serious Deteriorating Sustainable
    29. 30. Serious Condition Serious Condition Groundwater Sustainable Sustainable Floodplain Deteriorating Sustainable Erosion & Sed. Control Sustainable Sustainable Wildlife Serious Condition Deteriorating Wetlands & Lakes Serious Condition Sustainable Water Quality Sustainable Sustainable Ditches & Drainage 2010 2000 Resource
    30. 32. Questions? www.cooncreekwd.org [email_address]
    31. 35. Types of Issues <ul><li>Require immediate attention </li></ul><ul><li>They present serious problems </li></ul><ul><li>There is no known management strategy or technology for dealing with them </li></ul><ul><li>Future management and technology are not expected to keep pace with demands for resource uses, </li></ul><ul><li>and/or </li></ul><ul><li>Resource conditions will deteriorate in the future </li></ul>Existing conditions and projected levels of use can be sustained with current and expected future levels of management. Serious Deteriorating Sustainable

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