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LakeQuality
D

Kane Lake

Lake County, MinnesotaLimited DataEutrophic

Kane Lake earns a D — measurements through 2024 show persistent nutrient pressure that limits clarity through the summer. Clarity, phosphorus, and chlorophyll-a all rate similarly, so there is no obvious single lever to pull on watershed management.

Eutrophic conditions are the baseline here: clarity drops noticeably in late summer, and dissolved oxygen near the bottom can become a concern. Kane Lake reaches 17 ft at its deepest point — typical for Minnesota mid-sized lakes, with seasonal stratification but limited cold-water refuge. At 112 acres, Kane Lake fits the Minnesota median for monitored lakes, with 2.5 miles of shoreline. Within the 142 graded lakes of Lake County, Kane Lake sits at rank 121, near the bottom of the county list.

No invasive species are currently listed at Kane Lake — the lake remains off the Minnesota infested-waters roster. The state fisheries records do not list documented species for Kane Lake, which usually reflects a lack of formal fisheries survey work rather than an empty lake. The lake lacks a documented public access point, so visitor use is limited. 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, Minnesota DNR LakeFinder, last sampled 2024-11-23. Grade methodology: LakeGrade methodology.

Swimming Safety

Swimming not recommended, poor water quality with high algae risk

Water Quality Grade: D, Poor

Murky, only visible to about 6.5 ft. Trophic State Index: 50.

MetricValueGrade
Water Clarity (Secchi Depth)6.5 ftD
PhosphorusNo data
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)50Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Maximum Depth17 ft
Surface Area112.38 acres
Shoreline Length2.5 mi
Littoral Zone92%
Public AccessNo

Water Quality Trend: Stable

Based on 5 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Stable+0.015 m/yr5

Ice Season

Historical ice data from Minnesota DNR (6 observations).

Typical Ice-Out
May 9
Typical Ice-In
Nov 20

Estimated open water season: 195 days

EarliestLatest
Ice-Out2015-04-15 (2015)2022-05-11 (2022)
Ice-In2023-11-19 (2023)2024-11-27 (2024)

Most recent ice-out: 2023-05-09

Location

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County Ranking

Ranked #121 of 142 lakes in Lake County

Nearby Lakes in Lake County

DNR Fisheries Survey Summary

2 surveys on file from MN DNR Fisheries. Most recent: 1988-08-10 (Standard Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Yellow Perch7.200.21 lb
Walleye2.471.35 lb
Pumpkinseed2.190.08 lb
Northern Pike1.180.89 lb
Bluegill0.140.2 lb
White Sucker0.072.5 lb

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

From the 1988-08-10 survey

The Walleye population is maintained entirely by natural reproduction. The fluctuating population indicates that natural reproduction is sporadic. Walleye gillnet catches for 1988 were about 1/2 the local average. Scale reading indicates a strong year class of age-2 fish, however; age-3 and 4 appear to have poor year…

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 Kane Lake. 3 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: 2024-11-23

Monitoring stations: 2