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DESCRIPTION
A very brief overview of the Plan
Citation preview
Crooked Lake Comprehensive Management Plan
Summary 3/23/09
Table of Contents1. Executive Summary
2. Introduction
3. Watershed & Hydrological Description
4. Lake Description
5. Public Participation
6. Organizations, Roles & Goals
7. Rules, Regulations, & Standards
8. Lake Issues
9. Management Activities
10. Implementation Plans
Plan Approach
Management factors
Social factorsPhysical factors
Plan
Design Strategy
Implement
Monitor
Evaluate
Assess Progress
AdaptiveManagement
Crooked Lake Status
Shallow & Urban
Water Quality = Good
∴Management = prevention of
turbid state
Issues
from March 2008 Public Workshop
1. Invasive Species
shallow lake qualities= good habitat
Eurasian water milfoil &
Curly leaf pondweed
1. Invasive Species $$
20,9185,4645,3055,1505,000Plant Survey
DNR
50,00010,00010,00010,00010,00010,000
Plant Restoration
18,5466,3666,1806,00020% Treatment
9,1364,6364,500Chemical Treatment
CLAA1
2,494661641605587WQ Monitor
12,5513,2783,1833,0903,000Plant Survey
CCWD
Total20132012201120102009
1 CLAA funding for annual chemical treatment has been received in equal portions from the cities of Andover and Coon Rapids. The same funding strategy is envisioned for the 20% treatment.
2. Water Clarity 0.0
6.0
1976 86 92 96 2000 2003 2006Year
Sec
chi
Dep
th (
ft)
81
2. Water Clarity $$
1,019270262247240Monitor
Total20132012201120102009
3. Muck
Andover excavated Boat channel 2008
Nature of shallow lake
core sample February 2008
No cost to CCWD
3. Muck Implementation
Permit Review
Finance
Lead
Dredge Channel
LeadLake Cores
DNRAndoverCCWDCLAAMethod
4. Nonpoint Source Pollution/Stormwater Management
8.5 mg/L daily avg5 mg/L daily avg
4 mg/L daily min
Dissolved Oxygen (DO)
< 11 – 2 Buffer strips established each year
Treatment of 32% of direct discharge
5.3 ft > 6 ftSecchi Disk Transparency
11.6 ug/L<15 ug/LChlorophyll-a
30 ug/L40 ug/LTotal Phosphorus (TP)
Current
1990-2006 Avg
GoalObjective
4. Nonpoint Source Pollution $$
15,0005,0005,0005,000Rain Gardens
Andover
250250InspectCCWD
18,000-30,000
4,500-7,000
4,500-7,000
4,500-7,000
4,500-7,000
Buffer Strips
0Stencil Storm-drains
CLAA
Total20132012201120102009
5. Water Levels
dry 1969
dry 2008
wet 1974
5. Water Levels $$
7,8751,5751,5751,5751,5751,575Ground Water Monitor
637135131127124120Lake Level Monitor
250250Dam Inspect
CCWD
Total20132012201120102009
6. Trash & Garbage
Andover & CLAA
No cost to CCWD
Coon Creek Watershed District
24,8265,9195,7924,7925,5512,772Total
7,8751,5751,5751,5751,5751,575GroundWater
1,019270262247240MonitorWater Quality
2,494661641605587WQ Monitor
12,5513,2783,1833,0903,000Plant Survey
Invasive Spp.
637135131127124120MonitorWater Levels
250250Inspect Dam
Total20132012201120102009
Crooked Lake Area Association
77,68216,36613,68011,0005,6366,000Total
25,00010,0007,5005,0001,0001,500Aquatic Plant Restoration
18,5466,3666,1806,00020% Treatment
9,1364,6364,500Chemical 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
Total20132012201120102009
Andover
10,0005,0005,000Enforcement blitz
15,0005,0005,0005,000Rain GardensStorm Water
9,2733,1833,0903,00020% Treatment
4,5682,3182,250Chemical Treatment
Invasive Species
43,0413,1833,0909,00013,81813,950Total
4,0001,0001,5001,500Increased garbage pick up
200200Garbage cans and signage
Trash
Total20132012201120102009
Coon Rapids
10,0005,0005,000Enforcement blitz
9,2733,1833,0903,00020% Treatment
4,5682,3182,250Chemical Treatment
Invasive Species
28,0413,1833,0904,0008,8188,950Total
4,0001,0001,5001,500Increased garbage pick up
200200Garbage cans and signage
Trash
Total20132012201120102009
Summary
52,80016,40013,70011,0005,7006,000Crooked Lake Area Assoc
148,70828,68525,67233,79238,88736,672Total
24,8265,9195,7924,7925,5512,772Coon Creek WD
28,0413,1833,0904,0008,8188,950Coon Rapids
43,0413,1833,0909,00013,81813,950Andover
Total20132012201120102009
Recommended