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LakeQuality

Lost Grove Lake vs Railroad Lake

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

Railroad Lake has a higher water quality grade (C, Fair) than Lost Grove Lake (C, Fair). Both are in Scott County, Wisconsin.

Lost Grove Lake and Railroad Lake are both in Iowa — 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 close: Lost Grove Lake (C) and Railroad Lake (C) 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.

C

Lost Grove Lake

Scott County, Wisconsin

Murky, only visible to about 3.9 ft.

C

Railroad Lake

Scott County, Wisconsin

Murky, only visible to about 5.1 ft.

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.

MetricLost Grove LakeRailroad Lake
Overall GradeC (Fair)C (Fair)
Water Clarity3.9 ft5.1 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)15.8 µg/L8.3 µg/L
Maximum Depth--
Surface Area350 acres29 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateeutrophiceutrophic

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

Verdict

Railroad Lake wins on overall water quality with a Grade C versus Lost Grove Lake's Grade C. Water clarity: 5.1 ft vs 3.9 ft. For fishing diversity, Railroad Lake also leads with 0 species.