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B

Little Emily Lake

Crow Wing County, MinnesotaLimited DataMesotrophic

Little Emily 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 Little Emily Lake: enough nutrients for a healthy fishery, not so much that algal blooms become a chronic problem. Little Emily Lake reaches 26 ft at its deepest point — typical for Minnesota mid-sized lakes, with seasonal stratification but limited cold-water refuge. The lake is compact at 99 acres, with 1.8 miles of shoreline and little volume to buffer nutrient inputs. Within Crow Wing County's 120 graded lakes, Little Emily Lake ranks 88 — below the local median, though not at the bottom.

No invasive species are currently listed at Little Emily Lake — the lake remains off the Minnesota infested-waters roster. The state fisheries records do not list documented species for Little Emily 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 2020-10-15. Grade methodology: LakeGrade methodology.

Reviewed by LakeQuality Editorial Team · Updated

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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 Depth26 ft
Surface Area98.9 acres
Shoreline Length1.8 mi
Littoral Zone90%
Public AccessNo

Water Quality Trend: Declining

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

MetricTrendChange/YearYears
Water Clarity Declining-0.173 m/yr5
Phosphorus Declining+0.55 µg/L/yr5
See year-by-year chart →

Location

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County Ranking

Ranked #88 of 120 lakes in Crow Wing County

Cleaner Lakes Within 30 Miles

Little Emily Lake holds Grade B. 5 nearby lakes hold higher grades.

Nearby Lakes in Crow Wing County

DNR Fisheries Survey Summary

2 surveys on file from MN DNR Fisheries. Most recent: 1987-08-05 (Standard Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Black Crappie43.670.18 lb
Bluegill31.890.14 lb
Yellow Bass24.060.35 lb
Yellow Perch10.610.24 lb
Northern Pike7.253.46 lb
Pumpkinseed4.000.1 lb

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

From the 1987-08-05 survey

Largemouth bass and black crappie net catches indicate above average populations. Net catches were above the third quartile of the Brainerd area lakes that are smaller than 230 acres and have a total alkalinity of less than 47.6 ppm. Northern pike, pumpkinseed, bluegill and yellow perch net catches indicate a normal…

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 Little Emily Lake. 2 reports on file.

EPA Impairment Status

Little Emily Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Mercury

Source: EPA ATTAINS assessment unit MN11-0043-02 · Official waterbody report · Matched by proximity (1.66 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

Most recent sample: 2020-10-15

Monitoring stations: 1