How Clean Is Lake Winnibigoshish?
Lake Winnibigoshish is a clean lake by Minnesota standards. It received a water quality grade of B (Good) based on EPA monitoring data. Water clarity (Secchi depth): 12.1 ft. Chlorophyll-a (algae): 5.3 µg/L. Trophic State Index: 44.
Cleanliness Snapshot
| Metric | Lake Winnibigoshish | Minnesota avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 12.1 ft | — |
| Chlorophyll-a (Algae) | 5.3 µg/L | <10 = clean |
| Trophic State Index | 44 | <50 = clean |
How does Lake Winnibigoshish compare?
Lake Winnibigoshish's grade of B matches or beats the Minnesota state average of C. It ranks #107 of 132 lakes in Cass County by water quality score. Multi-year monitoring data shows water quality is declining based on 2 years of records.