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B

Alott Lake

Morrison County, MinnesotaLimited DataMesotrophic

Alott Lake carries a solid B grade — strong on most parameters, with measurements that hold up well across the summer season.

Mesotrophic conditions dominate at Alott Lake: enough nutrients for a healthy fishery, not so much that algal blooms become a chronic problem. Alott Lake reaches 34 ft at its deepest point — typical for Minnesota mid-sized lakes, with seasonal stratification but limited cold-water refuge. Alott Lake is small — 41 acres alongside 1.9 miles of shoreline — which makes it sensitive to even modest changes in watershed runoff or recreational pressure. Within Morrison County's 16 graded lakes, Alott Lake ranks 9 — below the local median, though not at the bottom.

Alott Lake has no invasive species recorded in Minnesota state databases as of 2024, though prevention practices still apply at all access points. Muskie are on the species list at Alott Lake, among the lake's 8 documented fish. 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 2024-07-02. 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 10.2 ft. Trophic State Index: 44.

MetricValueGrade
Water Clarity (Secchi Depth)10.2 ftB
PhosphorusNo data
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)44Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Maximum Depth34 ft
Surface Area41 acres
Shoreline Length1.9 mi
Littoral Zone78%
Public AccessNo

Fish Species

bluegill,largemouth bass,muskellunge,northern pike,pumpkinseed,smallmouth bass,walleye,yellow perch

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

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

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

Alott Lake fishing regulations (limits, seasons, special rules)

Water Quality Trend: Declining

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

MetricTrendChange/YearYears
Water Clarity Declining-0.12 m/yr5
See year-by-year chart →

Location

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County Ranking

Ranked #9 of 16 lakes in Morrison County

Cleaner Lakes Within 30 Miles

Alott Lake holds Grade B. 2 nearby lakes hold higher grades.

Nearby Lakes in Morrison County

DNR Fisheries Survey Summary

3 surveys on file from MN DNR Fisheries. Most recent: 1997-04-28 (Standard Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Pumpkinseed19.700.25 lb
Yellow Perch17.790.12 lb
Northern Pike2.911.59 lb
Largemouth Bass1.811.11 lb
Walleye1.731.94 lb
White Sucker0.102.97 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.

Pumpkinseed

212 fish · 38 in · 1997-04-28
105530345678

Yellow Perch

312 fish · 37 in · 1997-04-28
19296034567

Northern Pike

39 fish · 828 in · 1997-04-28
740810121416182022242628

Largemouth Bass

1 fish · 1616 in · 1997-04-28
1016

From the 1997-04-28 survey

Lake Alott is a 46-acre land-locked lake entirely within the Camp RipleyMilitary Reservation. Fish species are not as varied as other lakes, but goodangling opportunities exist. Species that could interest an angler includemuskellunge, walleye, northern pike, largemouth bass, smallmouth bass, andpumpkinseed. A creel…

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 Alott 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: 2024-07-02

Monitoring stations: 1