How Clean Is Caldron Falls Reservoir?
Caldron Falls Reservoir 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): 5.2 ft. Trophic State Index: 53.
Cleanliness Snapshot
| Metric | Caldron Falls Reservoir | Wisconsin avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 5.2 ft | — |
| Trophic State Index | 53 | <50 = clean |
How does Caldron Falls Reservoir compare?
Caldron Falls Reservoir's grade of D falls below the Wisconsin state average of C. It ranks #20 of 21 lakes in Marinette County by water quality score. Multi-year monitoring data shows water quality is stable based on 3 years of records.