How Clean Is Jacksonville Lake?
Jacksonville Lake has poor water quality, with elevated phosphorus and algae. It received a water quality grade of D (Poor) based on EPA monitoring data. Water clarity (Secchi depth): 1.8 ft. Phosphorus: 48 µg/L. Trophic State Index: 64.
Cleanliness Snapshot
| Metric | Jacksonville Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | D | D |
| Water Clarity (Secchi) | 1.8 ft | — |
| Phosphorus | 48 µg/L | <30 = clean |
| Trophic State Index | 64 | <50 = clean |
How does Jacksonville Lake compare?
Jacksonville Lake's grade of D matches or beats the Wisconsin state average of D. It ranks #1 of 2 lakes in Morgan County by water quality score.