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Little Kandiyohi Lake

Kandiyohi County, MinnesotaHypereutrophic

On the LakeGrade rubric Little Kandiyohi Lake fails the cutoffs — a TSI of 84 and persistent algal pressure put it in the bottom tier. The two scored sub-grades — clarity and phosphorus — track close together, so neither one is dragging the average down.

Hypereutrophic conditions mean the lake is operating at the upper end of the productivity scale, with all the bloom risk that implies. The lake's maximum depth is not yet documented in state morphometric records — context for its physical structure remains limited. Little Kandiyohi Lake covers 1,237 acres alongside partial shoreline records, large enough that conditions can vary meaningfully between bays. Within the 35 graded lakes of Kandiyohi County, Little Kandiyohi Lake sits at rank 32, near the bottom of the county list.

No invasive species are currently listed at Little Kandiyohi Lake — the lake remains off the Minnesota infested-waters roster. 3 fish species are documented at Little Kandiyohi Lake, a mixed warm-water community typical for Minnesota lakes of this size. Public access is available — the lake is on the Minnesota PCA public-access list. 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 2023-08-02. Grade methodology: LakeGrade methodology.

Reviewed by LakeQuality Editorial Team · Updated

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Swimming Safety

Avoid swimming, very poor water quality, potential algae toxins

Water Quality Grade: F, Very Poor

Very murky, less than 1 ft of visibility. Phosphorus level: 391 µg/L. Trophic State Index: 84.

MetricValueGrade
Water Clarity (Secchi Depth)1 ftF
Phosphorus391 µg/LF
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)84Hypereutrophic

Very high nutrients, dense algae, poor clarity

Lake Details

CharacteristicValue
Surface Area1.2K acres
Public AccessYes

Fish Species

black bullhead,northern pike,white sucker

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

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

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

Little Kandiyohi Lake fishing regulations (limits, seasons, special rules)

Location

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County Ranking

Ranked #32 of 35 lakes in Kandiyohi County

Cleaner Lakes Within 30 Miles

Little Kandiyohi Lake holds Grade F. 4 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Kandiyohi County

Hypereutrophic Lakes in Minnesota

DNR Reports & Resources

Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Little Kandiyohi Lake. 2 reports on file.

Reservoir Info (USACE NID)

Little Kandiyohi Lake is a man-made reservoir impounded by the Little Kandiyohi Lake (completed 1941), built primarily for recreation on the Crow River South Fork; gravity-type dam, 10 ft tall and 17 ft long.

Surface area
1,237 ac
Normal storage
2,831 ac-ft
Max storage
5,414 ac-ft
Drainage area
29.7 sq mi
Hazard class
Low
Owner
MNDNR

Source: USACE National Inventory of Dams, NID ID MN00063 · Operator website

EPA Impairment Status

Little Kandiyohi 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 MN34-0096-00 · Official waterbody report

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

Most recent sample: 2023-08-02

Monitoring stations: 1