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LakeQuality

Arrowhead Lake vs Lake Sherwood

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

Arrowhead Lake and Lake Sherwood both received the same overall water quality grade of C (Fair). Both are in Adams County, Wisconsin.

Both Arrowhead Lake and Lake Sherwood 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 — Arrowhead Lake (C) versus Lake Sherwood (C). 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.

C

Arrowhead Lake

Adams County, Wisconsin

Murky, only visible to about 6.5 ft.

C

Lake Sherwood

Adams County, Wisconsin

Murky, only visible to about 5.5 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.

MetricArrowhead LakeLake Sherwood
Overall GradeC (Fair)C (Fair)
Water Clarity6.5 ft5.5 ft
Phosphorus20.8 µg/L22.6 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth--
Surface Area300 acres246 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Statemesotrophiceutrophic

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

Verdict

Both lakes earn the same Grade C. The tiebreakers come down to clarity (Arrowhead Lake: 6.5 ft, Lake Sherwood: 5.5 ft) and what you want from the lake. Arrowhead Lake matches its peer on species count.