Lakes With Algae Problems in Washington
8 lakes in Washington report elevated algae levels (chlorophyll-a above 20 µg/L). These lakes are most likely to develop blue-green algae blooms during warm, calm summer weather. Avoid swimming during visible blooms and rinse pets after contact.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Nla Lake | Grant | F | 1.1 ft | 174.6 µg/L | 135.5 µg/L |
| 2 | Nla Lake | Lewis | F | 6.3 ft | 26514.3 µg/L | 36.6 µg/L |
| 3 | Nla Lake | Clark | F | 3.3 ft | 74000 µg/L | 35.9 µg/L |
| 4 | Lake | Thurston | F | - | 126.5 µg/L | 34 µg/L |
| 5 | Nla Lake | Stevens | D | 7.7 ft | 93000 µg/L | 29.7 µg/L |
| 6 | Vancouver Lake | Clark | D | 1.2 ft | 60 µg/L | 27.9 µg/L |
| 7 | Nla Lake | Thurston | D | 4.9 ft | 46029.7 µg/L | 21.6 µg/L |
| 8 | Nla Lake | Spokane | D | 7.2 ft | 80.5 µg/L | 20.2 µg/L |