Beartrack Lake
Beartrack Lake in St. Louis County, Minnesota is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 11 ft visibility. Maximum depth: 55 ft. Surface area: 156.49 acres.
- Clarity
- 11 ft
- Max depth
- 55 ft
- Area
- 156 acres
- Public access
- No
Next lake in St. Louis County
Why Beartrack Lake has no grade
We grade a lake only when its monitoring record clears the evidence bar: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Beartrack Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded water clarity, but not phosphorus and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by MPCA and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Beartrack Lake is a 156-acre lake in St. Louis County, Minnesota with a maximum depth of 55 feet (25-foot average). Limited fish-species data available. No public access — the lake is private or restricted.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2022-07-02. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Beartrack Lake
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Good clarity, visible to about 11 ft. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Beartrack Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 55 ft |
| Average Depth | 25.3 ft |
| Surface Area | 156 acres |
| Shoreline Length | 2.8 mi |
| Littoral Zone | 27% |
| Public Access | No |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Fishing Beartrack Lake
DNR Fisheries Survey Summary
2 surveys on file from MN DNR Fisheries. Most recent: 2016-08-17 (Targeted Survey).
Top Species by Catch Rate
| Species | Avg CPUE | Avg Weight |
|---|---|---|
| White Sucker | 13.33 | 0.88 lb |
| Green Sunfish | 1.33 | 0.09 lb |
| Yellow Perch | 1.17 | 0.21 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.
White Sucker
Green Sunfish
Yellow Perch
From the 2016-08-17 survey
Dissolved oxygen and temperature were sampled in Beartrack Lake on August 17, 2016. This data was collected as part of an assessment of Lake Trout habitat suitability during the peak of the summer. This sample showed that optimum habitat conditions for Lake Trout existed from 23 to 36 feet in depth. Over 1/4 of the…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Beartrack Lake. 1 report on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — BeartrackFisheries Lake Survey · MN DNR LakeFinder
EPA Impairment Status
Beartrack Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit MN69-0473-00 · Official waterbody report · Matched by proximity (1.48 km)
Nearby Lakes in St. Louis County
Frequently asked questions about Beartrack Lake
What is the water quality grade for Beartrack Lake?
- Beartrack Lake in St. Louis County, Minnesota is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 11 ft visibility. Maximum depth: 55 ft. Surface area: 156.49 acres.
Is Beartrack Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Beartrack Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
How deep is Beartrack Lake?
- Beartrack Lake has a maximum depth of 55 feet and an average depth of 25.3 feet. The lake covers 156.49 acres.
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Where this data comes from
1 measurement from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA1 sample · 2022
Analytical methods
- Field measurement/observation, generic method
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)
Lake details from Minnesota DNR LakeFinder