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LakeQuality
B

Wilkins Lake

Aitkin County, MinnesotaLimited DataMesotrophic

Wilkins Lake comes in at a B on the grading rubric — a respectable showing for a Minnesota lake of its size and depth. Sub-grades cluster within a single letter of each other, which usually means the lake is in stable trophic balance rather than fighting one specific stressor.

Mesotrophic conditions dominate at Wilkins Lake: enough nutrients for a healthy fishery, not so much that algal blooms become a chronic problem. Wilkins Lake reaches 39 ft at its deepest point — typical for Minnesota mid-sized lakes, with seasonal stratification but limited cold-water refuge. At 349 acres, Wilkins Lake fits the Minnesota median for monitored lakes, with 3.6 miles of shoreline. Among the 53 graded lakes in Aitkin County, Wilkins Lake sits at rank 18, above the county median.

Wilkins Lake has no invasive species recorded in Minnesota state databases as of 2022, though prevention practices still apply at all access points. Walleye are documented at Wilkins Lake, one of 14 fish species on record for the lake. Public access is available — the lake is on the Minnesota PCA public-access list. The lake has a partial ice record — 24 observed ice-outs, centered near Apr 17. Monitoring depth is thin here: the LakeGrade rubric is applied to a small number of sample years, and the grade will be revised as more data accumulates.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2022-08-04. Grade methodology: LakeGrade methodology.

Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Good clarity, visible to about 13 ft. Trophic State Index: 40.

MetricValueGrade
Water Clarity (Secchi Depth)13 ftB
PhosphorusNo data
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)40Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Maximum Depth39 ft
Average Depth20 ft
Surface Area348.86 acres
Shoreline Length3.6 mi
Littoral Zone30%
Public AccessYes

Fish Species

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

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

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

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

Water Quality Trend: Improving

Based on 3 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Improving+0.075 m/yr3

Ice Season

Historical ice data from Minnesota DNR (26 observations).

Typical Ice-Out
Apr 17
EarliestLatest
Ice-Out2000-03-27 (2000)2013-05-12 (2013)
Ice-In2014-11-21 (2014)2015-12-23 (2015)

Most recent ice-out: 2015-04-11

Location

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County Ranking

Ranked #18 of 53 lakes in Aitkin County

Nearby Lakes in Aitkin County

DNR Fisheries Survey Summary

11 surveys on file from MN DNR Fisheries. Most recent: 2024-07-29 (Standard Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Bluntnose Minnow63.10
Bluegill32.660.2 lb
BNS15.88
Largemouth Bass7.500.77 lb
MMS6.91
Yellow Perch5.440.22 lb

CPUE = catch per unit effort, averaged across surveys (excludes juvenile shoreline seining). Higher CPUE = more abundant in standardized sampling.

Length Distributions

Number of fish caught at each inch class in the most recent survey that recorded lengths. Red dashed line marks an approximate trophy threshold for that species.

Bluegill

149 fish · 39 in · 2024-07-29
45230trophy 103456789

Largemouth Bass

142 fish · 418 in · 2024-07-29
281404681012141618

Yellow Perch

9 fish · 510 in · 2019-07-29
3205678910

From the 2024-07-29 survey

Wilkins Lake is moderately sized (372 acres) with clear water and is located in central Aitkin County. There is a township-owned public access with a concrete log ramp without a dock, located on the east side of the lake. The surrounding area is a mixture of forest-covered rolling hills with various wetland types…

Source: MN DNR LakeFinder Fisheries Lake Survey

DNR Reports & Resources

Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Wilkins Lake. 4 reports on file.

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Lake details from Minnesota DNR LakeFinder

Ice data from Minnesota DNR Climate

Most recent sample: 2022-08-04

Monitoring stations: 3