How Clean Is Deer Lake?
Deer Lake is a clean lake by Wisconsin standards. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 16 ft. Phosphorus: 16.9 µg/L. Trophic State Index: 41.
Cleanliness Snapshot
| Metric | Deer Lake | Wisconsin avg |
|---|---|---|
| Water Clarity (Secchi) | 16 ft | — |
| Phosphorus | 16.9 µg/L | <30 = clean |
| Trophic State Index | 41 | <50 = clean |
How does Deer Lake compare?
Deer Lake's readings match or beat the Wisconsin state average. It ranks #10 of 55 lakes in Polk County on nutrient and algae readings. Multi-year monitoring data shows water quality is improving based on 7 years of records.
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