How Clean Is Lower Sucker Lake?
Lower Sucker Lake 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): 8.3 ft. Phosphorus: 22 µg/L. Chlorophyll-a (algae): 6.9 µg/L. Trophic State Index: 48.
Cleanliness Snapshot
| Metric | Lower Sucker Lake | Minnesota avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 8.3 ft | — |
| Phosphorus | 22 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 6.9 µg/L | <10 = clean |
| Trophic State Index | 48 | <50 = clean |
How does Lower Sucker Lake compare?
Lower Sucker Lake's grade of B matches or beats the Minnesota state average of C. It ranks #110 of 133 lakes in Cass County by water quality score. Multi-year monitoring data shows water quality is declining based on 2 years of records.