How Clean Is Big Eau Pleine Southeast Point Lake?
Big Eau Pleine Southeast Point 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): 4.9 ft. Trophic State Index: 54.
Cleanliness Snapshot
| Metric | Big Eau Pleine Southeast Point Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | D | B |
| Water Clarity (Secchi) | 4.9 ft | — |
| Trophic State Index | 54 | <50 = clean |
How does Big Eau Pleine Southeast Point Lake compare?
Big Eau Pleine Southeast Point Lake's grade of D falls below the Wisconsin state average of B. It ranks #4 of 5 lakes in Marathon County by water quality score. Multi-year monitoring data shows water quality is improving based on 7 years of records.