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LakeQuality

Crowder S.P. Lake vs Jamesport City Lake

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

Jamesport City Lake has a higher water quality grade (D, Poor) than Crowder S.P. Lake (F, Very Poor). Both are in Wisconsin.

Both Crowder S.P. Lake and Jamesport City Lake sit in Missouri. 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 — Crowder S.P. Lake (F) versus Jamesport City Lake (D). 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.

F

Crowder S.P. Lake

Grundy County, Wisconsin

Very murky, less than 1 ft of visibility.

D

Jamesport City Lake

Daviess 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.

MetricCrowder S.P. LakeJamesport City Lake
Overall GradeF (Very Poor)D (Poor)
Water Clarity1 ftNo data
Phosphorus110 µg/L147.7 µg/L
Chlorophyll-a (Algae)176.4 µg/L15.5 µg/L
Maximum Depth--
Surface Area22 acres22 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Statehypereutrophiceutrophic

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

Verdict

Jamesport City Lake wins on overall water quality with a Grade D versus Crowder S.P. Lake's Grade F. For fishing diversity, Jamesport City Lake also leads with 0 species.