Oconomowoc Lake vs Okauchee Lake
Water quality, depth, fish species, and recreation comparison.
Oconomowoc Lake and Okauchee Lake both received the same overall water quality grade of A (Excellent). Both are in Waukesha County, Wisconsin.
Both Oconomowoc Lake and Okauchee Lake sit in Wisconsin. A same-state comparison strips out the state-level water-quality regime as a variable: any grade differences here are about the lakes themselves, not the agencies grading them. The grades are close: Oconomowoc Lake (A) and Okauchee Lake (A) 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.
Oconomowoc Lake
Good clarity, visible to about 13 ft.
Okauchee Lake
Good clarity, visible to about 12 ft.
Side-by-Side Metrics
| Metric | Oconomowoc Lake | Okauchee Lake |
|---|---|---|
| Overall Grade | A (Excellent) | A (Excellent) |
| Water Clarity | 13 ft | 12 ft |
| Phosphorus | 11.7 µg/L | 17.1 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | - | - |
| Surface Area | 721 acres | 1.2K acres |
| Public Access | Unknown | Unknown |
| Fish Species | 0 | 0 |
| Trophic State | oligotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Both lakes earn the same Grade A. The tiebreakers come down to clarity (Oconomowoc Lake: 13 ft, Okauchee Lake: 12 ft) and what you want from the lake. Oconomowoc Lake matches its peer on species count.