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LakeQuality

Brookfield Lake vs Lake Nehai Tonkayea

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

Lake Nehai Tonkayea has a higher water quality grade (B, Good) than Brookfield Lake (B, Good). Both are in Wisconsin.

Both Brookfield Lake and Lake Nehai Tonkayea 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. The grades are close: Brookfield Lake (B) and Lake Nehai Tonkayea (B) 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.

B

Brookfield Lake

Linn County, Wisconsin

Murky, only visible to about 4.4 ft.

B

Lake Nehai Tonkayea

Chariton County, Wisconsin

Moderate clarity, visible to about 8 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.

MetricBrookfield LakeLake Nehai Tonkayea
Overall GradeB (Good)B (Good)
Water Clarity4.4 ft8 ft
Phosphorus19.7 µg/L10 µg/L
Chlorophyll-a (Algae)4.9 µg/L1.3 µg/L
Maximum Depth--
Surface Area106 acres250 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Statemesotrophicoligotrophic

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

Verdict

Lake Nehai Tonkayea wins on overall water quality with a Grade B versus Brookfield Lake's Grade B. Water clarity: 8 ft vs 4.4 ft. For fishing diversity, Lake Nehai Tonkayea also leads with 0 species.