How Clean Is Mud Lake?
Mud Lake is a clean lake by Wisconsin standards. It received a water quality grade of B (Good) based on EPA monitoring data. Water clarity (Secchi depth): 10 ft. Phosphorus: 18.5 µg/L. Trophic State Index: 45.
Cleanliness Snapshot
| Metric | Mud Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | B | B |
| Water Clarity (Secchi) | 10 ft | — |
| Phosphorus | 18.5 µg/L | <30 = clean |
| Trophic State Index | 45 | <50 = clean |
How does Mud Lake compare?
Mud Lake's grade of B matches or beats the Wisconsin state average of B. It ranks #19 of 45 lakes in Sawyer County by water quality score. Multi-year monitoring data shows water quality is improving based on 4 years of records.