How Clean Is Park Lake?
Park Lake has poor water quality, with elevated phosphorus and algae. It received a water quality grade of D (Poor) based on EPA monitoring data. Phosphorus: 82.4 µg/L. Trophic State Index: 68.
Cleanliness Snapshot
| Metric | Park Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | D | C |
| Phosphorus | 82.4 µg/L | <30 = clean |
| Trophic State Index | 68 | <50 = clean |
How does Park Lake compare?
Park Lake's grade of D falls below the Wisconsin state average of C. It ranks #4 of 10 lakes in Columbia County by water quality score. Multi-year monitoring data shows water quality is declining based on 3 years of records.