How Clean Is Roberts Lake?
Roberts Lake is a clean lake by Wisconsin standards. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 11.7 ft. Phosphorus: 11.1 µg/L. Trophic State Index: 40.
Cleanliness Snapshot
| Metric | Roberts Lake | Wisconsin avg |
|---|---|---|
| Water Clarity (Secchi) | 11.7 ft | — |
| Phosphorus | 11.1 µg/L | <30 = clean |
| Trophic State Index | 40 | <50 = clean |
How does Roberts Lake compare?
Roberts Lake's readings match or beat the Wisconsin state average. It ranks #15 of 23 lakes in Forest County by water quality score. Multi-year monitoring data shows water quality is improving based on 6 years of records.
Watch Roberts Lake water quality
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