How Clean Is Vienna Correctional Center Lake?
Vienna Correctional Center Lake 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): 4.5 ft. Phosphorus: 20 µg/L. Trophic State Index: 51.
Cleanliness Snapshot
| Metric | Vienna Correctional Center Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | C | D |
| Water Clarity (Secchi) | 4.5 ft | — |
| Phosphorus | 20 µg/L | <30 = clean |
| Trophic State Index | 51 | <50 = clean |
How does Vienna Correctional Center Lake compare?
Vienna Correctional Center Lake's grade of C matches or beats the Wisconsin state average of D. It ranks #1 of 2 lakes in Johnson County by water quality score.