Lac la Belle Lake vs Oconomowoc Lake No. 1
Water quality, depth, fish species, and recreation comparison.
Oconomowoc Lake No. 1 has a higher water quality grade (A, Excellent) than Lac la Belle Lake (B, Good). Both are in Waukesha County, Wisconsin.
Both Lac la Belle Lake and Oconomowoc Lake No. 1 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. These two are within a letter of each other on the rubric — Lac la Belle Lake (B) versus Oconomowoc Lake No. 1 (A). The deciding factors for a recreational visitor are likely physical (depth, access, fish species) rather than water-quality differences.
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.
Lac la Belle Lake
Murky, only visible to about 4.8 ft.
Oconomowoc Lake No. 1
Good clarity, visible to about 13.8 ft.
Side-by-Side Metrics
| Metric | Lac la Belle Lake | Oconomowoc Lake No. 1 |
|---|---|---|
| Overall Grade | B (Good) | A (Excellent) |
| Water Clarity | 4.8 ft | 13.8 ft |
| Phosphorus | 14.7 µg/L | 16 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 45 ft | 60 ft |
| Surface Area | 1.2K acres | 818 acres |
| Public Access | Unknown | Unknown |
| Fish Species | 0 | 0 |
| Trophic State | mesotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Oconomowoc Lake No. 1 wins on overall water quality with a Grade A versus Lac la Belle Lake's Grade B. Water clarity: 13.8 ft vs 4.8 ft. For fishing diversity, Oconomowoc Lake No. 1 also leads with 0 species.