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LakeQuality

Iowa Lk1 Lake vs Lake Belva Deer

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

Iowa Lk1 Lake has a higher water quality grade (D, Poor) than Lake Belva Deer (F, Very Poor). Both are in Wisconsin.

Both Iowa Lk1 Lake and Lake Belva Deer sit in Iowa. 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. The grades are close: Iowa Lk1 Lake (D) and Lake Belva Deer (F) 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.

D

Iowa Lk1 Lake

Iowa County, Wisconsin

Murky, only visible to about 3.7 ft.

F

Lake Belva Deer

Keokuk County, Wisconsin

Very murky, less than 2.1 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.

MetricIowa Lk1 LakeLake Belva Deer
Overall GradeD (Poor)F (Very Poor)
Water Clarity3.7 ft2.1 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)No data40.3 µg/L
Maximum Depth--
Surface Area92 acres247 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateeutrophiceutrophic

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

Verdict

Iowa Lk1 Lake wins on overall water quality with a Grade D versus Lake Belva Deer's Grade F. Water clarity: 3.7 ft vs 2.1 ft. For fishing diversity, Iowa Lk1 Lake also leads with 0 species.