How Clean Is Niagara Dam Lake?
Niagara Dam Lake has very poor water quality and a high algae bloom risk. It received a water quality grade of F (Very Poor) based on EPA monitoring data. Water clarity (Secchi depth): 1 ft. Trophic State Index: 77.
Cleanliness Snapshot
| Metric | Niagara Dam Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | F | C |
| Water Clarity (Secchi) | 1 ft | — |
| Trophic State Index | 77 | <50 = clean |
How does Niagara Dam Lake compare?
Niagara Dam Lake's grade of F falls below the Wisconsin state average of C. It ranks #4 of 4 lakes in Grand Forks County by water quality score.