Lake Butte des Morts vs Lake Poygan
Water quality, depth, fish species, and recreation comparison.
Lake Butte des Morts and Lake Poygan both received the same overall water quality grade of C (Fair). Both are in Winnebago County, Wisconsin.
C
Lake Butte des Morts
Winnebago County, Wisconsin
Moderate clarity, visible to about 7.6 ft.
C
Lake Poygan
Winnebago County, Wisconsin
Moderate clarity, visible to about 8.2 ft.
Side-by-Side Metrics
| Metric | Lake Butte des Morts | Lake Poygan |
|---|---|---|
| Overall Grade | C (Fair) | C (Fair) |
| Water Clarity | 7.6 ft | 8.2 ft |
| Phosphorus | No data | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 9 ft | 11 ft |
| Surface Area | 8.6K acres | 14.0K acres |
| Public Access | Yes | Yes |
| Fish Species | 8 | 8 |
| Trophic State | mesotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Both lakes earn the same Grade C. The tiebreakers come down to clarity (Lake Butte des Morts: 7.6 ft, Lake Poygan: 8.2 ft) and what you want from the lake. Lake Butte des Morts matches its peer on species count.