How Clean Is Apple River Flowage Lake?
Apple River Flowage Lake is nutrient-rich, with elevated phosphorus and algae. It received a water quality grade of D (Nutrient-rich) based on EPA monitoring data. Water clarity (Secchi depth): 5.9 ft. Phosphorus: 78.5 µg/L. Trophic State Index: 59.
Cleanliness Snapshot
| Metric | Apple River Flowage Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | D | B |
| Water Clarity (Secchi) | 5.9 ft | — |
| Phosphorus | 78.5 µg/L | <30 = clean |
| Trophic State Index | 59 | <50 = clean |
How does Apple River Flowage Lake compare?
Apple River Flowage Lake's grade of D falls below the Wisconsin state average of B. It ranks #49 of 55 lakes in Polk County by water quality score. Multi-year monitoring data shows water quality is stable based on 6 years of records.
Watch Apple River Flowage Lake water quality
Get an email when the grade, clarity, or algae reading changes. Unsubscribe anytime.