How Clean Is Lake Wisconsin Columbia Co.?
Lake Wisconsin Columbia Co. has fair water quality — typical of lakes with moderate nutrient enrichment. It received a water quality grade of C (Fair) based on EPA monitoring data. Water clarity (Secchi depth): 7.3 ft. Trophic State Index: 48.
Cleanliness Snapshot
| Metric | Lake Wisconsin Columbia Co. | Wisconsin avg |
|---|---|---|
| Overall Grade | C | B |
| Water Clarity (Secchi) | 7.3 ft | — |
| Trophic State Index | 48 | <50 = clean |
How does Lake Wisconsin Columbia Co. compare?
Lake Wisconsin Columbia Co.'s grade of C falls below the Wisconsin state average of B. It ranks #5 of 10 lakes in Columbia County by water quality score. Multi-year monitoring data shows water quality is declining based on 7 years of records.