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Crooked Lake Comprehensive Management Plan Summary 2/24/09
Report Outline <ul><li>Executive Summary </li></ul><ul><li>Introduction </li></ul><ul><li>Watershed & Hydrologic Character...
Plan and Assessment Approach Plan Management Efforts & Constraints Social Perceptions & Demands Physical Factors
Design Strategy Implement Monitor Evaluate Assess Progress Adaptive Management
Full Plan Availability <ul><li>www.cooncreekwd.org </li></ul><ul><li>>Headlines > Draft Crooked Lake Comprehensive Managem...
Turbid and Clearwater States Lathrop, WDNR
Shallow Lake 'Switches' <ul><ul><li>Clear scientific understanding of forward switch into turbid state </li></ul></ul><ul>...
In-Lake Process Maintaining Turbid Water Release phosphorus, Use O 2  , so decline in DO Algae growth  &  Rough fish favor...
Identified Issues on 3/25/08 <ul><li>Milfoil, weeds, invasive spp.  </li></ul><ul><li>Water Clarity  </li></ul><ul><li>Muc...
Invasive Species   Eurasian watermilfoil & Curly leaf pondweed Habitat Lake Characteristics
Invasive   Species   Plants crowd surface Navigation  &  recreation  generally hindered Nuisance Level
Invasive Species   Biomass  >50 g dry wt/m2 Estimated Total Phosphorus load >1.7 lbs/acre   Nuisance Measures
Invasive Species  Cost 1   CLAA funding for annual chemical treatment has been received in equal portions from the  cities...
Water Clarity   Second most cited “improvement” needed  One of three most important issues facing lake 0.0 1.0 2.0 3.0 4.0...
Water Clarity  Cost $1,019 $270 $262 $247 $240 Monitor CCWD Total 2013 2012 2011 2010 2009 Activity Agency
#3  Muck  Third most cited issue Sixth in issues to be addressed <ul><li>Nature of shallow lake </li></ul><ul><li>Boat cha...
Muck Implementation Strategy Permit Review Finance Lead Dredge Channel Lead Lake Cores DNR CR Andover CCWD CLAA ACD Method
#4   Nonpoint Source Pollution/ Stormwater Management 8.5 mg/L daily avg 5 mg/L daily avg 4 mg/L daily min Dissolved Oxyge...
Nonpoint Source Pollution    Costs 15,000 5,000 5,000 5,000 Rain Gardens Andover 250 250 Inspect CCWD 18,000-30,000 4,500-...
#5   Water Levels 1969 2008 1974
Water Levels  Lake Characteristics
Water Levels  Costs 7,875 1,575 1,575 1,575 1,575 1,575 Ground Water Monitor 637 135 131 127 124 120 Lake Level Monitor 25...
#6   Trash & Garbage
Trash  Costs 10,000 5,000 5,000 Enforcement blitz 4,000 1,000 1,500 1,500 Increased frequency  of garbage  pick up  200 20...
Partner Costs 52,800 16,400 13,700 11,000 5,700 6,000 Crooked Lake Area Assoc 148,708 28,685 25,672 33,792 38,887 36,672 T...
Coon Creek Watershed District <ul><li>No new money until 2010 </li></ul><ul><li>New commitment for mapping plant survey </...
Coon Creek Watershed District 24,826 5,919 5,792 4,792 5,551 2,772 Total 7,875 1,575 1,575 1,575 1,575 1,575 GroundWater 1...
Andover & Coon Rapids <ul><li>No new money until 2011 for increased EWM treatment </li></ul><ul><li>Andover : Potential ad...
Andover 10,000 5,000 5,000 Enforce-ment blitz 15,000 5,000 5,000 5,000 Rain Gardens Storm Water 9,200 3,200 3,000 3,000 20...
Coon Rapids 10,000 5,000 5,000 Enforce-ment blitz 9,273 3,183 3,090 3,000 20% Treatment 4,568 2,318 2,250 Chemical Treatme...
Questions? <ul><li>Thank you. </li></ul><ul><li>Coon Creek Watershed District </li></ul><ul><li>12301 Central Avenue NE, S...
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Crooked Lake Comp Plan Summary for 2009 CLAA Winter Meeting

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Crooked Lake Comp Plan Summary for 2009 CLAA Winter Meeting

  1. 1. Crooked Lake Comprehensive Management Plan Summary 2/24/09
  2. 2. Report Outline <ul><li>Executive Summary </li></ul><ul><li>Introduction </li></ul><ul><li>Watershed & Hydrologic Characteristics </li></ul><ul><li>Lake Characteristics </li></ul><ul><li>Public Participation & Perceptions </li></ul><ul><li>Organizations Roles & Goals </li></ul><ul><li>Rules, Regulations, & Standards affecting Lake Management </li></ul><ul><li>Issue Management Plans </li></ul><ul><li>Management Activity Summary Sheets </li></ul><ul><li>Agency Implementation Plans </li></ul>
  3. 3. Plan and Assessment Approach Plan Management Efforts & Constraints Social Perceptions & Demands Physical Factors
  4. 4. Design Strategy Implement Monitor Evaluate Assess Progress Adaptive Management
  5. 5. Full Plan Availability <ul><li>www.cooncreekwd.org </li></ul><ul><li>>Headlines > Draft Crooked Lake Comprehensive Management Plan </li></ul>
  6. 6. Turbid and Clearwater States Lathrop, WDNR
  7. 7. Shallow Lake 'Switches' <ul><ul><li>Clear scientific understanding of forward switch into turbid state </li></ul></ul><ul><ul><li>Unclear understanding of reverse switch back to healthy water quality </li></ul></ul>
  8. 8. In-Lake Process Maintaining Turbid Water Release phosphorus, Use O 2 , so decline in DO Algae growth & Rough fish favored Plants die off & Decompose Increased turbidity = Decreased light penetration
  9. 9. Identified Issues on 3/25/08 <ul><li>Milfoil, weeds, invasive spp. </li></ul><ul><li>Water Clarity </li></ul><ul><li>Muck </li></ul><ul><li>Water Quality/Nonpoint pollution </li></ul><ul><li>Water Level </li></ul><ul><li>Garbage & Trash </li></ul>
  10. 10. Invasive Species Eurasian watermilfoil & Curly leaf pondweed Habitat Lake Characteristics
  11. 11. Invasive Species Plants crowd surface Navigation & recreation generally hindered Nuisance Level
  12. 12. Invasive Species Biomass >50 g dry wt/m2 Estimated Total Phosphorus load >1.7 lbs/acre Nuisance Measures
  13. 13. Invasive Species Cost 1 CLAA funding for annual chemical treatment has been received in equal portions from the cities of Andover and Coon Rapids. The same funding strategy is envisioned for the 20% treatment. 20,918 5,464 5,305 5,150 5,000 Plant Survey DNR 50,000 10,000 10,000 10,000 10,000 10,000 Plant Restoration 18,546 6,366 6,180 6,000 20% Treatment 9,136 4,636 4,500 Chemical Treatment CLAA 1 2,494 661 641 605 587 WQ Monitor 12,551 3,278 3,183 3,090 3,000 Plant Survey CCWD Total 2013 2012 2011 2010 2009 Activity Agency
  14. 14. Water Clarity Second most cited “improvement” needed One of three most important issues facing lake 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 75 77 79 81 83 85 87 89 91 93 95 97 99 2001 2003 2005 Year Secchi Depth (ft)
  15. 15. Water Clarity Cost $1,019 $270 $262 $247 $240 Monitor CCWD Total 2013 2012 2011 2010 2009 Activity Agency
  16. 16. #3 Muck Third most cited issue Sixth in issues to be addressed <ul><li>Nature of shallow lake </li></ul><ul><li>Boat channel excavated 2008 </li></ul>core sample - Feb. 2008
  17. 17. Muck Implementation Strategy Permit Review Finance Lead Dredge Channel Lead Lake Cores DNR CR Andover CCWD CLAA ACD Method
  18. 18. #4 Nonpoint Source Pollution/ Stormwater Management 8.5 mg/L daily avg 5 mg/L daily avg 4 mg/L daily min Dissolved Oxygen (DO) < 1 1 – 2 Buffer strips established each year Treatment of 32% of direct discharge 5.3 ft > 6 ft Secchi Disk Transparency 11.6 ug/L <15 ug/L Chlorophyll-a 30 ug/L 40 ug/L Total Phosphorus (TP) Current 1990-2006 Avg Goal Objective
  19. 19. Nonpoint Source Pollution Costs 15,000 5,000 5,000 5,000 Rain Gardens Andover 250 250 Inspect CCWD 18,000-30,000 4,500-7,000 4,500-7,000 4,500-7,000 4,500-7,000 Buffer Strips 0 - Stencil Storm-drains CLAA Total 2013 2012 2011 2010 2009 Activity Agency
  20. 20. #5 Water Levels 1969 2008 1974
  21. 21. Water Levels Lake Characteristics
  22. 22. Water Levels Costs 7,875 1,575 1,575 1,575 1,575 1,575 Ground Water Monitor 637 135 131 127 124 120 Lake Level Monitor 250 250 Dam Inspect CCWD Total 2013 2012 2011 2010 2009 Activity Agency
  23. 23. #6 Trash & Garbage
  24. 24. Trash Costs 10,000 5,000 5,000 Enforcement blitz 4,000 1,000 1,500 1,500 Increased frequency of garbage pick up 200 200 Install garbage cans and signage Andover Total 2013 2012 2011 2010 2009 Activity Agency
  25. 25. Partner Costs 52,800 16,400 13,700 11,000 5,700 6,000 Crooked Lake Area Assoc 148,708 28,685 25,672 33,792 38,887 36,672 Total 24,826 5,919 5,792 4,792 5,551 2,772 Coon Creek WD 28,041 3,183 3,090 4,000 8,818 8,950 Coon Rapids 43,041 3,183 3,090 9,000 13,818 13,950 Andover Total 2013 2012 2011 2010 2009 Agency
  26. 26. Coon Creek Watershed District <ul><li>No new money until 2010 </li></ul><ul><li>New commitment for mapping plant survey </li></ul>
  27. 27. Coon Creek Watershed District 24,826 5,919 5,792 4,792 5,551 2,772 Total 7,875 1,575 1,575 1,575 1,575 1,575 GroundWater 1,019 270 262 247 240 Monitor Water Quality 2,494 661 641 605 587 WQ Monitor 12,551 3,278 3,183 3,090 3,000 GPS Plant Survey Invasive Spp. 637 135 131 127 124 120 Lake Monitor Water Levels 250 250 Inspect Dam Total 2013 2012 2011 2010 2009 Activity Issue
  28. 28. Andover & Coon Rapids <ul><li>No new money until 2011 for increased EWM treatment </li></ul><ul><li>Andover : Potential addition of curb cut rain garden project in Northwest quadrant of lake </li></ul>
  29. 29. Andover 10,000 5,000 5,000 Enforce-ment blitz 15,000 5,000 5,000 5,000 Rain Gardens Storm Water 9,200 3,200 3,000 3,000 20% Treatment 5,000 2,500 2,500 Chemical Treatment Invasive Species 43,400 3,200 3,000 9,000 14,000 14,200 Total 4,000 1,000 1,500 1,500 Increased garbage pick up 200 200 Garbage cans and signage Trash Total 2013 2012 2011 2010 2009 Activity Issue
  30. 30. Coon Rapids 10,000 5,000 5,000 Enforce-ment blitz 9,273 3,183 3,090 3,000 20% Treatment 4,568 2,318 2,250 Chemical Treatment Invasive Species 28,041 3,183 3,090 4,000 8,818 8,950 Total 4,000 1,000 1,500 1,500 Increased garbage pick up 200 200 Garbage cans and signage Trash Total 2013 2012 2011 2010 2009 Activity Issue
  31. 31. Questions? <ul><li>Thank you. </li></ul><ul><li>Coon Creek Watershed District </li></ul><ul><li>12301 Central Avenue NE, Suite 100 </li></ul><ul><li>Blaine, MN 55434 </li></ul><ul><li>763.755.0975 </li></ul><ul><li>www.cooncreekwd.org </li></ul>

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