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Lino Lakes Local Water Management Plan 21 November 2018 – WSB Project No. 02988-500 Marshan Lake Marshan Lake has a surface area of 299 acres and a maximum depth of 3.5 feet. It is a shallow lake and is managed to support aquatic life and enhance passive recreational uses. Marshan Lake was listed as impaired for nutrient/eutrophication biological indicators in 2002. Table 2-9. Marshan Lake Summary DNR ID1 02000700 Watershed District2 Rice Creek WD Watershed Area2 4,956 acres Surface Area1 299 acres Category4 Shallow Lake Maximum Depth1 3.5 ft Uses:4 2B, 3C Aquatic Recreation4 X Water Access1 Aquatic Life4 X Fish Stocking1 Aquatic Consumption Advisory1 Drinking Water Supply4 Industrial Supply4 X Agriculture Irrigation4 X Lifestock and Wildlife4 X Aesthetic Enjoyment4 X Ordinary High Water Level1 883.45 Lowest Recorded1 878.68 Highest Known1 882.56 RCWD Regulatory Floodplain2 887 FEMA Base Flood Elevation5 887 Impaired Water Y - 2002 Impairment Nutrient/Eutrophication Biological Indicators Approved TMDL Y - 2013 Lake Summary Sources: 1 Minnesota Dept. of Natural Resources Lake Finder 2 Rice Creek Watershed District 3 Vadnais Lakes Area Watershed Management Organization 4 Minnesota Pollution Control Agency 5 FEMA Anoka County Flood Insurance Study, 2015 Otter Lake Otter Lake has a surface area of 229 acres, a watershed area of 1,512 acres, and a maximum depth of 21 feet. It is a deep lake and is managed to support aquatic life and recreational uses such as boating and swimming. Otter Lake is not listed as an impaired water body Table 2-10. Otter Lake Summary DNR ID1 02000300 Watershed District2 Rice Creek WD Watershed Area2 1,512 acres Surface Area1 229 acres Category4 Lake Maximum Depth1 21 ft Uses:4 1C, 2Bd, 3C Aquatic Recreation4 X Water Access1 X Aquatic Life4 X Fish Stocking1 Aquatic Consumption Advisory1 X Drinking Water Supply4 X [reserve] Industrial Supply4 X Agriculture Irrigation4 X Lifestock and Wildlife4 X Aesthetic Enjoyment4 X Ordinary High Water Level1 911.7 Lowest Recorded1 906.2 Highest Known1 912.92 RCWD Regulatory Floodplain2 912.7 FEMA Base Flood Elevation5 912.7 Impaired Water Y - 2010 Impairment Mercury in fish tissue Approved TMDL Y - 2008 Lake Summary Sources: 1 Minnesota Dept. of Natural Resources Lake Finder 2 Rice Creek Watershed District 3 Vadnais Lakes Area Watershed Management Organization 4 Minnesota Pollution Control Agency 5 FEMA Anoka County Flood Insurance Study, 2015