Skip to main content
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.

Mesotrophic conditions dominate at Wilkins Lake: enough nutrients for a healthy fishery, not so much that algal blooms become a chronic problem. The lake bottoms out at 39 ft — a moderate depth that supports a warm-water fishery without the year-round cold refuge a deeper basin provides. Wilkins Lake covers 349 acres alongside 3.6 miles of shoreline — a mid-sized water that supports a working fishery without being so large that conditions diverge between basins. Within Aitkin County's 53 graded waters, Wilkins Lake sits at rank 13, near the top of the local distribution.

No invasive species are currently listed at Wilkins Lake — the lake remains off the Minnesota infested-waters roster. The fishery includes walleye among the lake's 14 documented species — a notable draw for Minnesota anglers. A documented public access point at Wilkins Lake makes the lake usable for shore fishing, paddle craft, and trailered boats. Ice-out has been recorded 24 times at Wilkins Lake, with a median around 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.

Reviewed by LakeQuality Editorial Team · Updated

Track Wilkins Lake

Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.

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

bigmouth buffalo,black crappie,bluegill,bowfin (dogfish),brown bullhead,hybrid sunfish,largemouth bass,northern pike,pumpkinseed,rock bass,walleye,white sucker,yellow bullhead,yellow perch

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

Loading map…

County Ranking

Ranked #13 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.

EPA Impairment Status

Wilkins Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Nutrients (phosphorus, nitrogen)

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit MN01-0105-00 · Official waterbody report · Matched by proximity (1.01 km)

Data Sources

Water quality data from the EPA Water Quality Portal

Impairment status from EPA ATTAINS 303(d) database

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