How Clean Is Brule Lake?
Brule 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): 10 ft. Trophic State Index: 44.
Cleanliness Snapshot
| Metric | Brule Lake | Minnesota avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 10 ft | — |
| Trophic State Index | 44 | <50 = clean |
How does Brule Lake compare?
Brule Lake's grade of B matches or beats the Minnesota state average of C. It ranks #51 of 128 lakes in Cook County by water quality score.