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Malone Lake

Shawano County, WisconsinMesotrophic

Malone Lake earns an A — every scored parameter (clarity and phosphorus) rates among the best monitored waters in Shawano County. With clarity and phosphorus scored, the sub-grades cluster within a letter of each other, pointing to stable conditions rather than one specific stressor.

A TSI near 42 places Malone Lake in the mesotrophic band — moderate productivity, with seasonal swings between clearer spring water and richer late-summer conditions. A maximum depth of 31 ft puts Malone Lake in the middle of Wisconsin's depth distribution. Malone Lake is small — 14 acres alongside partial shoreline records — which makes it sensitive to even modest changes in watershed runoff or recreational pressure. Among the 27 graded lakes in Shawano County, Malone Lake ranks 6 — in the top quartile locally.

Malone Lake has at least one documented invasive species (Chinese Mystery Snail), so boaters and anglers should observe clean-drain-dry steps when leaving the lake. Bass fishing is part of the appeal: the species list runs to 3, anchored by largemouth and/or smallmouth bass. The grade is based on limited monitoring — fewer than three independent measurement years contribute, so future updates may shift the letter.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-10-08. Grade methodology: LakeGrade methodology.

Reviewed by LakeQuality Editorial Team · Updated

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Swimming Safety

Excellent for swimming, crystal clear water with minimal algae

Water Quality Grade: A, Excellent

Good clarity, visible to about 13.5 ft. Phosphorus level: 16 µg/L. Trophic State Index: 42.

MetricValueGrade
Water Clarity (Secchi Depth)13.5 ftB
Phosphorus16 µg/LA
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)42Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Maximum Depth31 ft
Surface Area14 acres

Fish Species

Click a species to see all Wisconsin and Minnesota lakes where it is found.

→ Best fishing times for Malone Lake (14-day solunar calendar)

→ Is it safe to eat fish from Malone Lake? (mercury & PFAS guide)

Malone Lake fishing regulations (limits, seasons, special rules)

Invasive & Introduced Species

Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.

Chinese Mystery Snail

Water Quality Trend: Improving

Based on 2 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Stable+0.188 m/yr2
Phosphorus Improving-2.5 µg/L/yr2

Location

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County Ranking

Ranked #6 of 27 lakes in Shawano County

Nearby Lakes in Shawano County

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages.

Fish Species (DNR-rated)

Largemouth Bass(Abundant)Panfish(Present)Trout(Present)

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2025-10-08

Monitoring stations: 1