How Clean Is Callaway Fork Lake?
Callaway Fork 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): 3.3 ft. Phosphorus: 39.5 µg/L. Chlorophyll-a (algae): 12.5 µg/L. Trophic State Index: 58.
Cleanliness Snapshot
| Metric | Callaway Fork Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 3.3 ft | — |
| Phosphorus | 39.5 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 12.5 µg/L | <10 = clean |
| Trophic State Index | 58 | <50 = clean |
How does Callaway Fork Lake compare?
Callaway Fork Lake's grade of D falls below the Wisconsin state average of C. It ranks #3 of 11 lakes in St. Charles County by water quality score.