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LakeQuality
B

Pickeral Lake

Wright County, MinnesotaLimited DataMesotrophic

Pickeral Lake comes in at a B on the grading rubric — a respectable showing for a Minnesota lake of its size and depth. Clarity, phosphorus, and chlorophyll-a all rate similarly, so there is no obvious single lever to pull on watershed management.

Mesotrophic conditions dominate at Pickeral Lake: enough nutrients for a healthy fishery, not so much that algal blooms become a chronic problem. A maximum depth of 37 ft puts Pickeral Lake in the middle of Minnesota's depth distribution. At 20 acres, Pickeral Lake sits below the Minnesota median: a small water where shoreline activity has an outsized effect on water quality. Among the 64 graded lakes in Wright County, Pickeral Lake sits at rank 18, above the county median.

No invasive species are currently listed at Pickeral Lake — the lake remains off the Minnesota infested-waters roster. The state fisheries records do not list documented species for Pickeral 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. 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 2023-10-08. 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 12.5 ft. Trophic State Index: 41.

MetricValueGrade
Water Clarity (Secchi Depth)12.5 ftB
PhosphorusNo data
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)41Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Maximum Depth37 ft
Average Depth9.3 ft
Surface Area20.25 acres
Shoreline Length0.8 mi
Littoral Zone74%
Public AccessNo

Water Quality Trend: Declining

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

MetricTrendChange/YearYears
Water Clarity Declining-0.273 m/yr5
Phosphorus Stable+0.2 µg/L/yr5

Location

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County Ranking

Ranked #18 of 64 lakes in Wright County

Nearby Lakes in Wright County

DNR Fisheries Survey Summary

1 survey on file from MN DNR Fisheries. Most recent: 1983-08-08 (Standard Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Yellow Bass38.090.38 lb
Pumpkinseed10.000.17 lb
Black Crappie3.750.22 lb
Northern Pike3.000.87 lb
Hybrid Sunfish1.330.38 lb
Bluegill1.330.5 lb

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

From the 1983-08-08 survey

Northern Pike abundance (3/gill net) was about average. Four age classes (2-5) were caught. Growth was somewhat slow. Only one Largemouth Bass (age 5) was caught. Bluegill numbers were low (1.3/ trap net) with only 8 and 10 year old fish caught. Large numbers of Pumpkinseed were present (8/trap net). Black Crappie…

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 Pickeral Lake. 1 report 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

Most recent sample: 2023-10-08

Monitoring stations: 1