Schubert Lake
St. Louis County, Minnesota212 acresView mapDirections
Minnesota PCA publishes the water-quality measurements for Schubert Lake. Here is what has been measured.
- 24 ft max depth
- Limited data
Schubert Lake in St. Louis County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 6.5 ft visibility. Maximum depth: 24 ft. Surface area: 211.79 acres.
Minnesota DNR's Standard Survey on July 16, 2003 caught 1.50 walleye per gill net at Schubert Lake. DNR survey details →
Schubert Lake is a 212-acre lake in St. Louis County, Minnesota with a maximum depth of 24 feet. The lake supports 9 documented fish species including black crappie, bluegill, and largemouth bass. No public access — the lake is private or restricted.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-27. Methodology: how these readings are compared.
What Schubert Lake is good for
From access and monitoring records, not editorial picks.
- Fishing9 species recorded
- Ice seasonIce-out around Apr 26
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Schubert Lake is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Schubert Lake
These are the measurements Minnesota PCA publishes for Schubert Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 6.5 ft. TSI 50.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 6.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 50 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Schubert Lake
Answers come straight from the public measurements and survey records on this page.
Minnesota DNR's Standard Survey on July 16, 2003 caught 1.50 walleye per gill net at Schubert Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Schubert Lake’s water-quality measurements separately, and the water-quality trend over 5 years of monitoring is stable. Catch rate is not a swim clearance and is not a weekly bite report.
DNR Fisheries Survey Summary
2 surveys on file from MN DNR Fisheries. Most recent: 2003-07-16 (Standard Survey).
2 surveys on file · most recent 2003-07-16 (Standard Survey)
23 years old| Species | Catch rate (CPUE) | Size | Avg weight |
|---|---|---|---|
| Bluegill | 24.69 | 3–8 in 2003-07-16 | 0.15 lb |
| Largemouth Bass | 11.37 | 6–18 in 2003-07-16 | 0.47 lb |
| Smallmouth Bass | 4.00 | 8–16 in 2003-07-16 | 1.16 lb |
| Yellow Perch | 2.83 | 5–7 in 2003-07-16 | 0.11 lb |
| Rock Bass | 2.39 | 3–9 in 2003-07-16 | 0.47 lb |
| Northern Pike | 1.88 | 15–25 in 2003-07-16 | 1.46 lb |
CPUE = catch per unit effort, fish caught per net per set in a standardised survey. It measures abundance, not size, and is not a weekly bite report.
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
Largemouth Bass
Smallmouth Bass
Yellow Perch
From the 2003-07-16 survey
Schubert Lake is a 205 acre lake with 140 (68%) littoral acres and a maximum depth of 24 feet. It is located east of Highway 53 off of CR #815. There is no public back-in boat access, however, the lake is accessible off of CR #815. Primary management is for largemouth bass and smallmouth bass although walleye…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Schubert Lake. 1 report on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — SchubertFisheries Lake Survey · MN DNR LakeFinder
Lake Details
Max depth
24 ft
Surface area
212 acres
Shoreline
4 mi
Littoral zone
66%
Share shallower than 15 ft
Public access
No
Listed by Minnesota PCA
Lake Size & Watershed
Watershed (drainage) area
1 sq mi
HydroLAKES / HydroSHEDS
Elevation
1,375 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Stays via Stay22
Stays near Schubert Lake
Compare lakeside cabins, hotels, and vacation rentals near Schubert Lake in St. Louis County, Minnesota — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Schubert Lake
Prices for Oct 9–11, 4 adults. Change dates on the map below.
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Follow Schubert Lake’s readings
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Fish Species
Click a species to see every lake where it is documented.
Fishing Schubert Lake
Water Quality Trend: Stable
Based on 5 years of monitoring (2020–2025).
Water clarity
Stable5 years
Ice season
Typical ice-out
Apr 26
Earliest Mar 15, 2024 · Latest May 6, 2022
Typical ice-in
Nov 24
Earliest Nov 8, 2017 · Latest Dec 3, 2024
Most recent ice-out
Mar 15
2024
24 observations · Minnesota PCA ice records
Nearby Lakes in St. Louis County
Frequently asked questions about Schubert Lake
Where is Schubert Lake?
- Schubert Lake is a lake in St. Louis County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Schubert Lake?
- Schubert Lake in St. Louis County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 6.5 ft visibility. Maximum depth: 24 ft. Surface area: 211.79 acres.
Is Schubert Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Schubert Lake?
- Schubert Lake has a maximum depth of 24 feet. The lake covers 211.79 acres.
What fish are in Schubert Lake?
- Fish species found in Schubert Lake include black crappie, bluegill, largemouth bass, northern pike, pumpkinseed, rock bass, smallmouth bass, walleye, yellow perch. Schubert Lake is located in St. Louis County, Minnesota.
What did the DNR fisheries survey find at Schubert Lake?
- Minnesota DNR's Standard Survey on July 16, 2003 caught 1.50 walleye per gill net at Schubert Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Schubert Lake’s water-quality measurements separately, and the water-quality trend over 5 years of monitoring is stable. Catch rate is not a swim clearance and is not a weekly bite report.
When does Schubert Lake thaw?
- Schubert Lake typically has ice-out around Apr 26. Ice typically forms around Nov 24. The open water season is approximately 212 days.
Can I fish at Schubert Lake?
- Public access to Schubert Lake is listed as no on the lake record, so confirm before you make the trip. Seasons, size and bag limits, and whether you need a license are set by Minnesota's fish and wildlife agency, so check its current regulations before you go.
Explore Schubert Lake across LakeQuality
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Where this data comes from
39 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA39 samples · 2020–2025
Analytical methods
- Field measurement/observation, generic method
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)
Lake details from Minnesota DNR LakeFinder
Ice data from Minnesota DNR Climate