Cleanest Lakes in Seminole County, Florida
Seminole-Secret Lake in Seminole County leads the rankings with a water quality grade of B and 4.5 ft of clarity. Below are the top 50 cleanest monitored lakes in Seminole County, Florida, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Seminole-Secret Lake | Seminole | B | 4.5 ft | 21.5 µg/L | - |
| 2 | Seminole-Spring Lake | Seminole | B | 3 ft | 24 µg/L | - |
| 3 | Seminole-Bear Gully Lake | Seminole | B | 3.3 ft | 34.5 µg/L | - |
| 4 | Seminole-Clear Lake | Seminole | B | 5.3 ft | 21 µg/L | - |
| 5 | Seminole-Crystal Bowl Lake | Seminole | B | 11 ft | 10.5 µg/L | - |
| 6 | Seminole-Silver Lake | Seminole | B | 13 ft | 12 µg/L | - |
| 7 | Seminole-Cub Lake | Seminole | B | 6.9 ft | 15 µg/L | - |
| 8 | Seminole-Triplet Middle Lake | Seminole | B | 3 ft | 29.5 µg/L | - |
| 9 | Seminole-Little Bear Lake | Seminole | B | 10 ft | 14 µg/L | - |
| 10 | Seminole-Little Mary Lake | Seminole | B | 7 ft | 12 µg/L | - |
| 11 | Seminole-Crescent Lake | Seminole | B | 6 ft | 14 µg/L | - |
| 12 | Seminole-Triplet South Lake | Seminole | B | 3.3 ft | 40 µg/L | - |
| 13 | Seminole-Mills Lake | Seminole | B | 6.3 ft | 17 µg/L | - |
| 14 | Seminole-Lost Lake | Seminole | B | 5 ft | 17 µg/L | - |
| 15 | Seminole-Quail Pond | Seminole | B | 7 ft | 18 µg/L | - |
| 16 | Lkflorida Lake | Seminole | B | 3.9 ft | 42 µg/L | - |
| 17 | Seminole-Bear Lake | Seminole | B | 9 ft | 14 µg/L | - |
| 18 | Seminole-Horseshoe North Lake | Seminole | B | 5 ft | 20 µg/L | - |
| 19 | Lake Yvonne | Seminole | B | 3.8 ft | 22 µg/L | - |
| 20 | Seminole-Concord Lake | Seminole | B | 3 ft | 24 µg/L | - |
| 21 | Seminole-Wekiva Lake | Seminole | B | 7 ft | 19 µg/L | - |
| 22 | Seminole-Triplet North Lake | Seminole | B | 3.5 ft | 26 µg/L | - |
| 23 | Seminole-Mary Lake | Seminole | B | 5.5 ft | 17 µg/L | - |
| 24 | Lake Kathryn | Seminole | B | 3 ft | 25 µg/L | - |
| 25 | Seminole-Rock Lake | Seminole | B | 5 ft | 12 µg/L | - |
| 26 | Seminole-Tony Lake | Seminole | B | 5.8 ft | 14 µg/L | - |
| 27 | Seminole-Brantley Lake | Seminole | B | 9 ft | 15 µg/L | - |
| 28 | Lake Griffin | Seminole | B | 5.7 ft | 22 µg/L | - |
| 29 | South Triplet Lake | Seminole | B | 2.2 ft | 33 µg/L | - |
| 30 | Middle Triplet Lake | Seminole | B | 2.7 ft | 23 µg/L | - |
| 31 | Lake Hayes | Seminole | B | 5.1 ft | 20.5 µg/L | - |
| 32 | Quail Pond | Seminole | B | 4.9 ft | 12 µg/L | - |
| 33 | Grassy Lake | Seminole | B | 5.5 ft | 15 µg/L | - |
| 34 | Trout Lake | Seminole | B | 6.2 ft | 13 µg/L | - |
| 35 | Lost Lake | Seminole | B | 2.4 ft | 23 µg/L | - |
| 36 | North Triplet Lake | Seminole | B | 2.8 ft | 27 µg/L | - |
| 37 | Lake Lotus | Seminole | B | 6.3 ft | 14 µg/L | - |
| 38 | Lake Concord | Seminole | B | 2.1 ft | 18 µg/L | - |
| 39 | Lake Catherine | Seminole | B | 9.2 ft | 43 µg/L | - |
| 40 | Secret Lake | Seminole | B | 3.7 ft | 18 µg/L | - |
| 41 | Seminole-Queens Mirror Lake | Seminole | B | 3 ft | 41 µg/L | - |
| 42 | Lake Ellen | Seminole | B | 3.8 ft | 12 µg/L | - |
| 43 | Greenwood Lake | Seminole | B | - | 29 µg/L | - |
| 44 | Myrtle Lake | Seminole | C | 2.8 ft | 45 µg/L | - |
| 45 | Seminole-Asher Lake | Seminole | C | 3 ft | 54 µg/L | - |
| 46 | Queens Mirror Lake | Seminole | C | 2.4 ft | 55 µg/L | - |
| 47 | Ow-Ctr Lake | Seminole | C | 1.1 ft | 49.1 µg/L | - |
| 48 | Lake Howell | Seminole | C | 2.6 ft | 44 µg/L | - |
| 49 | Seminole-East Lake | Seminole | D | 3.5 ft | 60.5 µg/L | - |
| 50 | Seminole-Jesup Lake | Seminole | D | 1 ft | 91 µg/L | - |