A very brief overview of the Plan

1. Crooked Lake Comprehensive Management Plan Summary 3/23/09

3. Plan Approach Plan Management factors Social factors Physical factors

4. Design Strategy Implement Monitor Evaluate Assess Progress Adaptive Management

5. Crooked Lake Status Shallow & Urban Water Quality = Good ∴ Management = prevention of turbid state

6. Issues from March 2008 Public Workshop

7. 1. Invasive Species shallow lake qualities = good habitat Eurasian water milfoil & Curly leaf pondweed

8. 1. Invasive Species $$ 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

9. 2. Water Clarity 0.0 6.0 1976 86 92 96 2000 2003 2006 Year Secchi Depth (ft) 81

10. 2. Water Clarity $$ 1,019 270 262 247 240 Monitor Total 2013 2012 2011 2010 2009

12. 3. Muck Implementation Permit Review Finance Lead Dredge Channel Lead Lake Cores DNR Andover CCWD CLAA Method

13. 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

14. 4. Nonpoint Source Pollution $$ 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

15. 5. Water Levels dry 1969 dry 2008 wet 1974

16. 5. Water Levels $$ 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

17. 6. Trash & Garbage Andover & CLAA No cost to CCWD

18. 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 Plant Survey Invasive Spp. 637 135 131 127 124 120 Monitor Water Levels 250 250 Inspect Dam Total 2013 2012 2011 2010 2009

19. Crooked Lake Area Association 77,682 16,366 13,680 11,000 5,636 6,000 Total 25,000 10,000 7,500 5,000 1,000 1,500 Aquatic Plant Restoration 18,546 6,366 6,180 6,000 20% Treatment 9,136 4,636 4,500 Chemical Treatment EWM 18,000-30,000 4,500-7,000 4,500-7,000 4,500-7,000 4,500-7,000 Buffer Strips (grants + Home-owner) Storm water Total 2013 2012 2011 2010 2009

20. Andover 10,000 5,000 5,000 Enforcement blitz 15,000 5,000 5,000 5,000 Rain Gardens Storm Water 9,273 3,183 3,090 3,000 20% Treatment 4,568 2,318 2,250 Chemical Treatment Invasive Species 43,041 3,183 3,090 9,000 13,818 13,950 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

21. Coon Rapids 10,000 5,000 5,000 Enforcement 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

22. Summary 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