Cleanest Lakes in Thurston County, Washington
Lake in Thurston County leads the rankings with a water quality grade of C. Below are the top 26 cleanest monitored lakes in Thurston County, Washington, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Lake | Thurston | C | - | 7 µg/L | 1.3 µg/L |
| 2 | Lake | Thurston | C | - | 8.5 µg/L | 3 µg/L |
| 3 | Lake | Thurston | D | - | 19.5 µg/L | 3.2 µg/L |
| 4 | Lake | Thurston | D | - | 14.5 µg/L | 3 µg/L |
| 5 | Lake | Thurston | D | - | 28 µg/L | 8.3 µg/L |
| 6 | Lake | Thurston | D | - | 31 µg/L | 17 µg/L |
| 7 | Lake | Thurston | D | - | 20.5 µg/L | 6.1 µg/L |
| 8 | Lake | Thurston | D | - | 24.5 µg/L | 14 µg/L |
| 9 | Lake | Thurston | D | - | 25.5 µg/L | 6.1 µg/L |
| 10 | Lake | Thurston | D | - | 29.5 µg/L | 9.4 µg/L |
| 11 | Lake | Thurston | D | - | 26 µg/L | 7.2 µg/L |
| 12 | Lake | Thurston | F | - | 126.5 µg/L | 34 µg/L |
| 13 | Bald Hill Lake | Thurston | NR | - | - | - |
| 14 | Alder Lake | Thurston | NR | - | - | - |
| 15 | La Grande Reservoir | Thurston | NR | - | - | - |
| 16 | Elbow Lake | Thurston | NR | - | - | - |
| 17 | Skookumchuck Reservoir | Thurston | NR | - | - | - |
| 18 | Scott Lake | Thurston | NR | - | - | - |
| 19 | Pitman Lake | Thurston | NR | - | - | - |
| 20 | Munn Lake | Thurston | NR | - | - | - |
| 21 | Simmons Lake | Thurston | NR | - | - | - |
| 22 | Hewitt Lake | Thurston | NR | - | - | - |
| 23 | Chambers Lake | Thurston | NR | - | - | - |
| 24 | Pattison Lake | Thurston | NR | - | - | - |
| 25 | Tempo Lake | Thurston | NR | - | - | - |
| 26 | McIntosh Lake | Thurston | NR | - | - | - |
More Answers for Thurston County, Washington
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