How Clean Is Turtle Flambeau Flowage Lake?
Turtle Flambeau Flowage Lake is a clean lake by Wisconsin standards. It received a water quality grade of B (Good) based on EPA monitoring data. Water clarity (Secchi depth): 6 ft. Phosphorus: 19.4 µg/L. Trophic State Index: 49.
Cleanliness Snapshot
| Metric | Turtle Flambeau Flowage Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | B | B |
| Water Clarity (Secchi) | 6 ft | — |
| Phosphorus | 19.4 µg/L | <30 = clean |
| Trophic State Index | 49 | <50 = clean |
How does Turtle Flambeau Flowage Lake compare?
Turtle Flambeau Flowage Lake's grade of B matches or beats the Wisconsin state average of B. It ranks #4 of 16 lakes in Iron County by water quality score. Multi-year monitoring data shows water quality is improving based on 7 years of records.
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