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. Crooked Lake Comprehensive Management Plan Summary 2/24/09
- 3. Plan and Assessment Approach Plan Management Efforts & Constraints Social Perceptions & Demands Physical Factors
- 4. Design Strategy Implement Monitor Evaluate Assess Progress Adaptive Management
- 6. Turbid and Clearwater States Lathrop, WDNR
- 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
- 10. Invasive Species Eurasian watermilfoil & Curly leaf pondweed Habitat Lake Characteristics
- 11. Invasive Species Plants crowd surface Navigation & recreation generally hindered Nuisance Level
- 12. Invasive Species Biomass >50 g dry wt/m2 Estimated Total Phosphorus load >1.7 lbs/acre Nuisance Measures
- 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. 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. Water Clarity Cost $1,019 $270 $262 $247 $240 Monitor CCWD Total 2013 2012 2011 2010 2009 Activity Agency
- 17. Muck Implementation Strategy Permit Review Finance Lead Dredge Channel Lead Lake Cores DNR CR Andover CCWD CLAA ACD Method
- 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. 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. #5 Water Levels 1969 2008 1974
- 21. Water Levels Lake Characteristics
- 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. #6 Trash & Garbage
- 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. 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
- 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
- 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. 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