How Clean Is Tainter Lake?
Tainter 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): 3.7 ft. Phosphorus: 121.5 µg/L. Trophic State Index: 66.
Cleanliness Snapshot
| Metric | Tainter Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | D | B |
| Water Clarity (Secchi) | 3.7 ft | — |
| Phosphorus | 121.5 µg/L | <30 = clean |
| Trophic State Index | 66 | <50 = clean |
How does Tainter Lake compare?
Tainter Lake's grade of D falls below the Wisconsin state average of B. It ranks #1 of 3 lakes in Dunn County by water quality score. Multi-year monitoring data shows water quality is stable based on 7 years of records.