Cleanest Lakes in Oconto County, Wisconsin
Long Lake in Oconto County leads the rankings with a water quality grade of A and 47.6 ft of clarity. Below are the top 50 cleanest monitored lakes in Oconto County, Wisconsin, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Long Lake | Oconto | A | 47.6 ft | 10.2 µg/L | - |
| 2 | Chain Lake | Oconto | A | 44.3 ft | 9.5 µg/L | - |
| 3 | Neligan Lake | Oconto | A | 45.9 ft | 11.1 µg/L | - |
| 4 | Round Lake | Oconto | A | 49.2 ft | 13.8 µg/L | - |
| 5 | Boulder Lake | Oconto | A | 36.1 ft | 13.3 µg/L | - |
| 6 | Smoke Lake | Oconto | A | 25 ft | 13 µg/L | - |
| 7 | Bass Lake | Oconto | A | 55.8 ft | 10.7 µg/L | - |
| 8 | Bass Lake | Oconto | A | 19.7 ft | 15.9 µg/L | - |
| 9 | Bear Lake | Oconto | A | 32.8 ft | 13.8 µg/L | - |
| 10 | Grindle Lake | Oconto | A | 29.5 ft | 12.4 µg/L | - |
| 11 | Anderson Lake | Oconto | A | 32.8 ft | 15 µg/L | - |
| 12 | Little Horn Lake | Oconto | A | 43.9 ft | 14.4 µg/L | - |
| 13 | Green Lake | Oconto | A | 57.4 ft | 17.9 µg/L | - |
| 14 | Munger Lake | Oconto | A | 23 ft | 15.6 µg/L | - |
| 15 | Shadow Lake | Oconto | A | 19.7 ft | 18 µg/L | - |
| 16 | Pickerel Lake | Oconto | A | 26.2 ft | 15.2 µg/L | - |
| 17 | Ranch Lake | Oconto | A | 42.7 ft | 14.4 µg/L | - |
| 18 | White Potato Lake | Oconto | A | 22.6 ft | 17 µg/L | - |
| 19 | Little Pickerel Lake | Oconto | A | 36.1 ft | 16.7 µg/L | - |
| 20 | Star Lake | Oconto | A | 49.2 ft | 14.2 µg/L | - |
| 21 | Maiden Lake | Oconto | A | 80.4 ft | 9.9 µg/L | - |
| 22 | Kelly Lake | Oconto | A | 34.5 ft | 14.3 µg/L | - |
| 23 | Berry Lake | Oconto | A | 23 ft | 15.3 µg/L | - |
| 24 | Boot Lake | Oconto | A | 67.3 ft | 11.3 µg/L | - |
| 25 | Explosion Lake | Oconto | A | 55 ft | 15.7 µg/L | - |
| 26 | Shay Lake | Oconto | A | 49.2 ft | 14.2 µg/L | - |
| 27 | Crooked Lake | Oconto | A | 36.1 ft | 11.8 µg/L | - |
| 28 | Horn Lake | Oconto | A | 29.5 ft | 14.5 µg/L | - |
| 29 | Archibald Lake | Oconto | A | 55.4 ft | 10.6 µg/L | - |
| 30 | Paya Lake | Oconto | A | 65.6 ft | 10.5 µg/L | - |
| 31 | Bear Paw Lake | Oconto | A | 52.5 ft | 11.1 µg/L | - |
| 32 | Waubee Lake | Oconto | A | 44.3 ft | 10.5 µg/L | - |
| 33 | Reservoir Pond | Oconto | A | 31.2 ft | 19.3 µg/L | - |
| 34 | Townsend Flowage Lake | Oconto | A | 29.5 ft | 14 µg/L | - |
| 35 | Surprise Lake | Oconto | A | 26.2 ft | 13.1 µg/L | - |
| 36 | Pine Ridge Lake | Oconto | A | 55.8 ft | 11 µg/L | - |
| 37 | Halfmoon Lake | Oconto | A | 52.5 ft | 11.8 µg/L | - |
| 38 | Deadman Lake | Oconto | A | 46.4 ft | 9.7 µg/L | - |
| 39 | Sunrise Lake | Oconto | A | 45.9 ft | 12.6 µg/L | - |
| 40 | Finnegan Lake | Oconto | A | 32.8 ft | 15.3 µg/L | - |
| 41 | Wheeler Lake | Oconto | A | 72.2 ft | 11.9 µg/L | - |
| 42 | Boundary Lake | Oconto | A | 45.9 ft | 12.1 µg/L | - |
| 43 | Gilkey Lake | Oconto | A | 19.7 ft | 10.4 µg/L | - |
| 44 | Chute Pond at | Oconto | A | 18 ft | 28 µg/L | - |
| 45 | Grignon Lake | Oconto | A | 19.7 ft | 22.9 µg/L | - |
| 46 | Wiscobee Lake | Oconto | A | 18.9 ft | 22 µg/L | - |
| 47 | Pickerel Lake | Oconto | B | 14.8 ft | 27 µg/L | - |
| 48 | Porcupine Lake-Deep Hole | Oconto | B | 18.5 ft | 54.3 µg/L | - |
| 49 | Cooley Lake | Oconto | B | 16.4 ft | 39.3 µg/L | - |
| 50 | Christie Lake | Oconto | B | 9.8 ft | 13.1 µg/L | - |