One Horse Gap Lake vs Vienna Correctional Center Lake
Water quality, depth, fish species, and recreation comparison.
One Horse Gap Lake has a higher water quality grade (B, Good) than Vienna Correctional Center Lake (C, Fair). Both are in Wisconsin.
One Horse Gap Lake and Vienna Correctional Center Lake are both in Illinois — a same-state head-to-head where the comparison comes down to lake-specific differences in depth, watershed, and monitoring history rather than the broader state-level water-quality regime. The grades are close: One Horse Gap Lake (B) and Vienna Correctional Center Lake (C) are within one letter of each other on the LakeGrade rubric. The per-parameter sub-grades below will show where the small differences actually live.
With grades this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.
One Horse Gap Lake
Murky, only visible to about 4 ft.
Vienna Correctional Center Lake
Murky, only visible to about 4.5 ft.
Side-by-Side Metrics
| Metric | One Horse Gap Lake | Vienna Correctional Center Lake |
|---|---|---|
| Overall Grade | B (Good) | C (Fair) |
| Water Clarity | 4 ft | 4.5 ft |
| Phosphorus | 17 µg/L | 20 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | - | - |
| Surface Area | 29 acres | 74 acres |
| Public Access | Unknown | Unknown |
| Fish Species | 0 | 0 |
| Trophic State | eutrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
One Horse Gap Lake wins on overall water quality with a Grade B versus Vienna Correctional Center Lake's Grade C. Water clarity: 4 ft vs 4.5 ft. For fishing diversity, One Horse Gap Lake also leads with 0 species.