How Clean Is Nepco Lake?
Nepco Lake is among the cleanest lakes in Wisconsin. It received a water quality grade of A (Excellent) based on EPA monitoring data. Water clarity (Secchi depth): 11 ft. Phosphorus: 10.9 µg/L. Trophic State Index: 41.
Cleanliness Snapshot
| Metric | Nepco Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 11 ft | — |
| Phosphorus | 10.9 µg/L | <30 = clean |
| Trophic State Index | 41 | <50 = clean |
How does Nepco Lake compare?
Nepco Lake's grade of A matches or beats the Wisconsin state average of C. It ranks #1 of 4 lakes in Wood County by water quality score. Multi-year monitoring data shows water quality is stable based on 4 years of records.