How Clean Is Horsehead Lake?
Horsehead Lake is a clean lake by Wisconsin standards. It received a water quality grade of B (Good) based on EPA monitoring data. Water clarity (Secchi depth): 20.1 ft. Phosphorus: 30 µg/L. Trophic State Index: 44.
Cleanliness Snapshot
| Metric | Horsehead Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | B | B |
| Water Clarity (Secchi) | 20.1 ft | — |
| Phosphorus | 30 µg/L | <30 = clean |
| Trophic State Index | 44 | <50 = clean |
How does Horsehead Lake compare?
Horsehead Lake's grade of B matches or beats the Wisconsin state average of B. It ranks #105 of 140 lakes in Oneida County by water quality score. Multi-year monitoring data shows water quality is improving based on 7 years of records.