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LakeQuality

Okauchee Lake Deep Hole Usgs vs Okauchee Lake-Site No. 4-at Okauchee

Water quality, depth, fish species, and recreation comparison.

Okauchee Lake-Site No. 4-at Okauchee has a higher water quality grade (A, Excellent) than Okauchee Lake Deep Hole Usgs (B, Good). Both are in Waukesha County, Wisconsin.

Both Okauchee Lake Deep Hole Usgs and Okauchee Lake-Site No. 4-at Okauchee 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 — Okauchee Lake Deep Hole Usgs (B) versus Okauchee Lake-Site No. 4-at Okauchee (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.

B

Okauchee Lake Deep Hole Usgs

Waukesha County, Wisconsin

Moderate clarity, visible to about 7.5 ft.

A

Okauchee Lake-Site No. 4-at Okauchee

Waukesha County, Wisconsin

No clarity data.

Side-by-Side Metrics

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

MetricOkauchee Lake Deep Hole UsgsOkauchee Lake-Site No. 4-at Okauchee
Overall GradeB (Good)A (Excellent)
Water Clarity7.5 ftNo data
Phosphorus23.7 µg/L17.5 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth90 ft90 ft
Surface Area1.2K acres1.2K acres
Public AccessUnknownUnknown
Fish Species00
Trophic Statemesotrophicmesotrophic

Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).

Verdict

Okauchee Lake-Site No. 4-at Okauchee wins on overall water quality with a Grade A versus Okauchee Lake Deep Hole Usgs's Grade B. For fishing diversity, Okauchee Lake-Site No. 4-at Okauchee also leads with 0 species.