Secchi Disk data is available for this lake.

An Assessment Report was done on this lake in 1989.

Visit MPCA's Environmental Data Access system to download data for this lake.

Exit the MPCA web site and search the DNR Lake finder for information on this lake.

Need Help?
Full Supporting Documentation is available for this data or click on the specific links. You can also contact steven.heiskary for further information.

Lake Water Quality Summary Information

Physical Information

Name: COON
DNR Lake ID number: 02-0042
County: ANOKA
Location from nearest town: AT COON LAKE BEACH
Latitude/Longitude: 45.30972222/-93.16277778
Ecoregion: CHF
Basin: SCB
Hydrologic Unit Code: 7030005
Surface Area: 1466 (acres)
Maximum depth: 27 (feet)
Water Body Type: LP

degrees minutes seconds decimal degrees

X Y

UTM 487244 5017366

Purple dot represents lake location.

Lake Water Quality Assessment

Monitored or Evaluated: Monitored
Data Quality: Excellent
Aquatic Recreation Use Support: FS

Lake Water Quality Data Summary

Total Phosphorus Mean: 29 ppb (parts per billion)
Total Phosphorus Standard Error: 3 ppb
Total Phosphorus # of Observations: 19
Total Phosphorus Minimum: 10 ppb and Maximum: 50 ppb

Chlorophyll-a Mean: 15 ppb
Chlorophyll-a Standard Error: 2 ppb
Chlorophyll-a # of Observations: 19
Chlorophyll-a Minimum: 4 ppb and Maximum: 28 ppb

Secchi Disk Mean: 2 meters
Secchi Disk Standard Error: 0 meters
Secchi Disk # of Observations: 156
Secchi Disk Minimum: 1 meters and Maximum: 4 meters

Alkalinity Mean: 85 ppm (parts per million)
Alkalinity # of Observations: 10

Color Mean: 18 Platinum-cobalt Units
Color # of Observations: 6

Carlson Trophic Status for Total Phosphorus: 53
Carlson Trophic Status for Chlorophyll-a: 57
Carlson Trophic Status for Secchi Disk: 50
Overall Trophic Status: E
(O=oligotrophic, M=mesotrophic, E=eutrophic, H=hypereutrophic)

See the Difference! Oligotrophic vs. Hypereutrophic

Compare this lake to reference lakes or all assessed lakes.