Lakes With Algae Problems in South Dakota
2 lakes in South Dakota 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 | Big Stone Lake | Roberts | F | 3 ft | 108.5 µg/L | 70.4 µg/L |
| 2 | Traverse Lake | Roberts | F | 3.9 ft | 172.5 µg/L | 36.3 µg/L |