How Clean Is Turtle-Flambeau Flowage Lake?
Turtle-Flambeau Flowage Lake has poor water quality, with elevated phosphorus and algae. It received a water quality grade of D (Poor) based on EPA monitoring data. Water clarity (Secchi depth): 4 ft. Trophic State Index: 57.
Cleanliness Snapshot
| Metric | Turtle-Flambeau Flowage Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 4 ft | — |
| Trophic State Index | 57 | <50 = clean |
How does Turtle-Flambeau Flowage Lake compare?
Turtle-Flambeau Flowage Lake's grade of D falls below the Wisconsin state average of C. It ranks #31 of 33 lakes in Iron County by water quality score. Multi-year monitoring data shows water quality is declining based on 6 years of records.