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C

Nest Lake

Kandiyohi County, MinnesotaEutrophic

Nest Lake sits at a C on the grading scale — not impaired, not pristine, with summer measurements that vary year to year. clarity and phosphorus rate similarly, so there is no obvious single lever to pull on watershed management.

A TSI in the eutrophic range signals a lake doing what nutrient-loaded waters do — supporting an active algal community at the cost of clear water. The lake bottoms out at 40 ft — a moderate depth that supports a warm-water fishery without the year-round cold refuge a deeper basin provides. At 969 acres, Nest Lake fits the Minnesota median for monitored lakes, with 10.2 miles of shoreline. Nest Lake ranks 14 of 35 in Kandiyohi County — solidly in the upper half of the local distribution.

Zebra mussels have been documented at Nest Lake, which alters the filter-feeding balance and can paradoxically increase water clarity while disrupting the food web. Muskie are on the species list at Nest Lake, among the lake's 19 documented fish. A documented public access point at Nest Lake makes the lake usable for shore fishing, paddle craft, and trailered boats. 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 2024-09-12. Grade methodology: LakeGrade methodology.

Reviewed by LakeQuality Editorial Team · Updated

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Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C, Fair

Moderate clarity, visible to about 7.3 ft. Phosphorus level: 30 µg/L. Trophic State Index: 51.

MetricValueGrade
Water Clarity (Secchi Depth)7.3 ftC
Phosphorus30 µg/LC
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)51Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Maximum Depth40 ft
Average Depth15 ft
Surface Area969.17 acres
Shoreline Length10.2 mi
Littoral Zone54%
Public AccessYes

Fish Species

black bullhead,black crappie,bluegill,bowfin (dogfish),brown bullhead,channel catfish,common carp,green sunfish,hybrid sunfish,largemouth bass,muskellunge,northern pike,pumpkinseed,rock bass,smallmouth 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 Nest Lake (14-day solunar calendar)

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

Nest 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.

zebra mussel

Water Quality Trend: Declining

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

MetricTrendChange/YearYears
Water Clarity Declining-0.109 m/yr5
Phosphorus Declining+2.35 µg/L/yr5
See year-by-year chart →

Location

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County Ranking

Ranked #14 of 35 lakes in Kandiyohi County

Cleaner Lakes Within 30 Miles

Nest Lake holds Grade C. 5 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Kandiyohi County

DNR Fisheries Survey Summary

23 surveys on file from MN DNR Fisheries. Most recent: 2025-10-14 (Targeted Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Bluegill22.120.16 lb
BKF14.95
Walleye13.351.52 lb
Largemouth Bass11.771 lb
Yellow Perch10.800.1 lb
Green Sunfish7.780.09 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

885 fish · 210 in · 2024-06-24
2351180trophy 102345678910

Walleye

7 fish · 711 in · 2025-10-14
3207891011

Largemouth Bass

4 fish · 1013 in · 2023-08-21
32010111213

Yellow Perch

1 fish · 55 in · 2024-06-24
105

From the 2025-10-14 survey

A targeted fall night electrofishing survey was conducted for young of year "YOY" (fingerling sized) Walleye on Nest Lake during October 9, 2025. A targeted survey is generally used for sampling a specific kind of fish or time of year (i.e., spawning season, fall season, etc.) unlike a standard survey which samples a…

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 Nest Lake. 3 reports on file.

Reservoir Info (USACE NID)

Nest Lake is a man-made reservoir impounded by the Nest Lake (completed 1964), built primarily for recreation on the Crow River Middle Fork; gravity-type dam, 12 ft tall and 34 ft long.

Surface area
1,008 ac
Normal storage
11,010 ac-ft
Max storage
13,212 ac-ft
Drainage area
123 sq mi
Hazard class
Low
Owner
County of Kandiyohi Private Dam Owner

Source: USACE National Inventory of Dams, NID ID MN00061 · Operator website

EPA Impairment Status

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

Causes of impairment

MercuryNutrients (phosphorus, nitrogen)

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

Source: EPA ATTAINS assessment unit MN34-0154-00 · 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: 2024-09-12

Monitoring stations: 1