Cleanest Lakes in Ramsey County, Minnesota
Otter Lake in Ramsey County leads the rankings with a water quality grade of B and 11.5 ft of clarity. Below are the top 43 cleanest monitored lakes in Ramsey County, Minnesota, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Otter Lake | Ramsey | B | 11.5 ft | 22 µg/L | - |
| 2 | Snail Lake | Ramsey | B | 11 ft | 20 µg/L | - |
| 3 | Loeb Lake | Ramsey | B | 11.2 ft | 29 µg/L | - |
| 4 | Mccarron Lake | Ramsey | B | 11.5 ft | 30 µg/L | - |
| 5 | Turtle Lake | Ramsey | B | 7.5 ft | 22 µg/L | - |
| 6 | Wabasso Lake | Ramsey | B | 13 ft | 31 µg/L | - |
| 7 | Owasso Lake | Ramsey | B | 7.4 ft | 27 µg/L | - |
| 8 | Round Lake | Ramsey | C | 8 ft | 53 µg/L | - |
| 9 | Twin Lake | Ramsey | C | 7.5 ft | 39 µg/L | - |
| 10 | Birch Lake | Ramsey | C | 5.9 ft | 21 µg/L | - |
| 11 | Beaver Lake | Ramsey | C | 7.7 ft | 42.5 µg/L | - |
| 12 | Gem Lake | Ramsey | C | 6.9 ft | 36 µg/L | - |
| 13 | Silver Lake | Ramsey | C | 7 ft | 52 µg/L | - |
| 14 | Phalen Lake | Ramsey | C | 8.1 ft | 34 µg/L | - |
| 15 | Black Lake | Ramsey | C | 6.9 ft | 36 µg/L | - |
| 16 | Josephine Lake | Ramsey | C | 8.5 ft | 42 µg/L | - |
| 17 | Karth Lake | Ramsey | C | 6.6 ft | 30 µg/L | 8.8 µg/L |
| 18 | Valentine Lake | Ramsey | C | 6.4 ft | 48.5 µg/L | 12 µg/L |
| 19 | Charley Lake | Ramsey | C | 4.6 ft | 59 µg/L | - |
| 20 | Johanna Lake | Ramsey | C | 6.6 ft | 42 µg/L | - |
| 21 | Pleasant Lake | Ramsey | C | 5.6 ft | 54 µg/L | - |
| 22 | Sucker Lake | Ramsey | C | 5.9 ft | 37 µg/L | - |
| 23 | South Long Lake | Ramsey | C | 3.9 ft | 47 µg/L | - |
| 24 | Bald Eagle Lake | Ramsey | C | 5.6 ft | 34 µg/L | - |
| 25 | Wakefield Lake | Ramsey | C | 5.9 ft | 53 µg/L | - |
| 26 | Gervais Lake | Ramsey | C | 5 ft | 39 µg/L | - |
| 27 | Keller Lake | Ramsey | C | 4.3 ft | 50 µg/L | - |
| 28 | Little Johanna Lake | Ramsey | D | 4.6 ft | 64.5 µg/L | 16.5 µg/L |
| 29 | Kohlman Lake | Ramsey | D | 3.6 ft | 88 µg/L | - |
| 30 | Deep Lake | Ramsey | D | 3.9 ft | 72 µg/L | - |
| 31 | Spring Lake | Ramsey | D | 3.1 ft | 44 µg/L | - |
| 32 | Gilfillan Lake | Ramsey | D | 3 ft | 47 µg/L | - |
| 33 | Bennett Lake | Ramsey | D | 4.9 ft | 91 µg/L | - |
| 34 | Island Lake | Ramsey | D | 3.3 ft | 69 µg/L | - |
| 35 | Crosby Lake | Ramsey | D | 6.6 ft | 157 µg/L | - |
| 36 | Silver Lake | Ramsey | D | 3.6 ft | 92.5 µg/L | - |
| 37 | Wilkinson Lake | Ramsey | D | 3.9 ft | 108 µg/L | - |
| 38 | Upper Lake | Ramsey | D | 6.2 ft | 250.5 µg/L | - |
| 39 | North Long Lake | Ramsey | F | 2.5 ft | 102 µg/L | - |
| 40 | Pike Lake | Ramsey | F | 2.3 ft | 124 µg/L | - |
| 41 | Como Lake | Ramsey | F | 2.5 ft | 96.5 µg/L | - |
| 42 | Goose Lake | Ramsey | F | 0.7 ft | 173.5 µg/L | - |
| 43 | Vadnais Lake | Ramsey | F | 1 ft | 90 µg/L | - |