How Clean Is Little Lake Butte des Morts?
Little Lake Butte des Morts is nutrient-rich, with elevated phosphorus and algae. It received a water quality grade of D (Nutrient-rich) based on EPA monitoring data. Water clarity (Secchi depth): 2 ft. Phosphorus: 133.5 µg/L. Trophic State Index: 71.
Cleanliness Snapshot
| Metric | Little Lake Butte des Morts | Wisconsin avg |
|---|---|---|
| Overall Grade | D | B |
| Water Clarity (Secchi) | 2 ft | — |
| Phosphorus | 133.5 µg/L | <30 = clean |
| Trophic State Index | 71 | <50 = clean |
How does Little Lake Butte des Morts compare?
Little Lake Butte des Morts's grade of D falls below the Wisconsin state average of B. It ranks #2 of 2 lakes in Winnebago County by water quality score. Multi-year monitoring data shows water quality is declining based on 2 years of records.
Watch Little Lake Butte des Morts water quality
Get an email when the grade, clarity, or algae reading changes. Unsubscribe anytime.