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LakeQuality

Lake Winneconne vs Rush Lake

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

Rush Lake has a higher water quality grade (C, Fair) than Lake Winneconne (F, Very Poor). Both are in Winnebago County, Wisconsin.

Lake Winneconne and Rush Lake are both in Wisconsin — 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 meaningfully apart: Rush Lake grades a C while Lake Winneconne grades a F. That two-letter spread reflects real underlying differences — different watershed inputs, different depth profiles, or different monitoring rigor.

For a recreational visitor, the wider grade gap is decisive — Rush Lake is the better water-quality choice. For a researcher, the gap is the interesting part: what is different about the two watersheds, and which of those differences is mutable?

F

Lake Winneconne

Winnebago County, Wisconsin

Very murky, less than 2.4 ft of visibility.

C

Rush Lake

Winnebago County, Wisconsin

Very murky, less than 3.2 ft of visibility.

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.

MetricLake WinneconneRush Lake
Overall GradeF (Very Poor)C (Fair)
Water Clarity2.4 ft3.2 ft
PhosphorusNo data26 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth9 ft5 ft
Surface Area4.6K acres2.7K acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateeutrophiceutrophic

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

Verdict

Rush Lake wins on overall water quality with a Grade C versus Lake Winneconne's Grade F. Water clarity: 3.2 ft vs 2.4 ft. For fishing diversity, Rush Lake also leads with 0 species.