Cleanest Lakes in Dakota County, Minnesota
Holland Lake in Dakota County leads the rankings with a water quality grade of A and 27.9 ft of clarity. Below are the top 45 cleanest monitored lakes in Dakota County, Minnesota, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Holland Lake | Dakota | A | 27.9 ft | 14 µg/L | 3.5 µg/L |
| 2 | Lac Lavon Lake | Dakota | A | 12.1 ft | 13 µg/L | 2.9 µg/L |
| 3 | O'Brien Lake | Dakota | A | 18 ft | 20 µg/L | 5 µg/L |
| 4 | Marion Lake | Dakota | B | 7 ft | 20 µg/L | 4.7 µg/L |
| 5 | Sunfish Lake | Dakota | B | 9.7 ft | 20 µg/L | 4.8 µg/L |
| 6 | Horseshoe Lake | Dakota | B | 6.7 ft | 32.5 µg/L | 4.1 µg/L |
| 7 | Lemay Lake | Dakota | B | 6.9 ft | 29 µg/L | 9.6 µg/L |
| 8 | Schultz Lake | Dakota | B | 8.5 ft | 23 µg/L | 9.4 µg/L |
| 9 | Rogers Lake | Dakota | B | 6.6 ft | 23 µg/L | 3.2 µg/L |
| 10 | Blackhawk Lake | Dakota | B | 7.5 ft | 28 µg/L | - |
| 11 | Carlson Lake | Dakota | B | 7.5 ft | 26 µg/L | - |
| 12 | Crystal Lake | Dakota | C | 7 ft | 27 µg/L | 14 µg/L |
| 13 | Hornbean Lake | Dakota | C | 7.2 ft | 36 µg/L | 6 µg/L |
| 14 | Fish Lake | Dakota | C | 7.2 ft | 40 µg/L | - |
| 15 | Unnamed Lake | Dakota | C | 6 ft | 26 µg/L | 16 µg/L |
| 16 | Thomas Lake | Dakota | C | 5.6 ft | 26.5 µg/L | - |
| 17 | Mcdonough Lake | Dakota | C | 4.5 ft | 30 µg/L | 7.7 µg/L |
| 18 | East Thomas Lake | Dakota | C | 5.6 ft | 27 µg/L | - |
| 19 | Jensen Lake | Dakota | C | 4.6 ft | 28 µg/L | 11 µg/L |
| 20 | Sunset Pond | Dakota | C | 4.9 ft | 48 µg/L | 5.2 µg/L |
| 21 | Orchard Lake | Dakota | C | 5.9 ft | 29 µg/L | 11 µg/L |
| 22 | Lee Lake | Dakota | C | 4.8 ft | 39 µg/L | 17 µg/L |
| 23 | Keller Lake | Dakota | C | 4.1 ft | 37.5 µg/L | 19 µg/L |
| 24 | Schmitt Lake | Dakota | C | 3.6 ft | 48 µg/L | 19 µg/L |
| 25 | Earley Lake | Dakota | C | 5.9 ft | 36.5 µg/L | 15 µg/L |
| 26 | Pitts Lake | Dakota | C | 4.9 ft | 43 µg/L | - |
| 27 | Bald Lake | Dakota | C | 5.6 ft | 39 µg/L | - |
| 28 | Bur Oaks Pond | Dakota | D | 4.6 ft | 70 µg/L | - |
| 29 | Gun Club Lake | Dakota | D | 3.5 ft | 143 µg/L | 13 µg/L |
| 30 | Cobblestone Lake | Dakota | D | 3.9 ft | 93 µg/L | 17.5 µg/L |
| 31 | Thompson Lake | Dakota | D | 3.3 ft | 54 µg/L | 38 µg/L |
| 32 | Gerhardt Lake | Dakota | D | 2 ft | 50 µg/L | 38 µg/L |
| 33 | Alimagnet Lake | Dakota | D | 5 ft | 71 µg/L | 58 µg/L |
| 34 | Hilltop Pd Lake | Dakota | D | 3.6 ft | 97 µg/L | - |
| 35 | Dickman Lake | Dakota | F | 1.6 ft | 74 µg/L | 70 µg/L |
| 36 | Long Lake | Dakota | F | 1.6 ft | 110 µg/L | 82 µg/L |
| 37 | Rebecca Lake | Dakota | F | 2.6 ft | 134 µg/L | 95 µg/L |
| 38 | Augusta Lake | Dakota | F | 0.7 ft | 147.5 µg/L | 130 µg/L |
| 39 | O'Leary Lake | Dakota | F | 2.6 ft | 153 µg/L | - |
| 40 | Unn Pond | Dakota | F | 2 ft | 135 µg/L | - |
| 41 | Mccarthy Lake | Dakota | F | 1 ft | 195 µg/L | - |
| 42 | Quigley Lake | Dakota | F | 2 ft | 141 µg/L | - |
| 43 | Byllesby Lake | Dakota | F | 3 ft | 220 µg/L | - |
| 44 | Farquar Lake | Dakota | F | 1.7 ft | 114.5 µg/L | 88 µg/L |
| 45 | Lilly Lake | Dakota | F | 2 ft | 145 µg/L | 69 µg/L |