Schisler Lake
St. Louis County, Minnesota70 acresView mapDirections
Minnesota PCA publishes the water-quality measurements for Schisler Lake. Here is what has been measured.
- 19 ft max depth
- Limited data
Schisler Lake in St. Louis County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Phosphorus: 32 µg/L. Chlorophyll-a (algae): 8.3 µg/L. Maximum depth: 19 ft. Surface area: 69.81 acres.
Schisler Lake is a 70-acre lake in St. Louis County, Minnesota with a maximum depth of 19 feet. Overall water quality is improving over recent sampling years. 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 2025-07-20. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Schisler 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 Schisler Lake
These are the measurements Minnesota PCA publishes for Schisler Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 32 µg/L. Chlorophyll-a 8.3 µg/L. TSI 53.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 32µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 8.3µg/L | Measured, not scored 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. | 53 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Schisler Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
19 ft
Surface area
70 acres
Shoreline
1.5 mi
Littoral zone
79%
Share shallower than 15 ft
Public access
No
Listed by Minnesota PCA
Lake Size & Watershed
Watershed (drainage) area
1 sq mi
HydroLAKES / HydroSHEDS
Elevation
1,362 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
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Fishing Schisler Lake
Water Quality Trend: Improving
Based on 6 years of monitoring (2020–2025).
Water clarity
Improving4 years
Phosphorus
Stable-0.29 µg/L/yr6 years
Chlorophyll-a
Improving-1.03 µg/L/yr6 years
Nearby Lakes in St. Louis County
Frequently asked questions about Schisler Lake
Where is Schisler Lake?
- Schisler 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 Schisler Lake?
- Schisler Lake in St. Louis County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Phosphorus: 32 µg/L. Chlorophyll-a (algae): 8.3 µg/L. Maximum depth: 19 ft. Surface area: 69.81 acres.
Is Schisler Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Schisler Lake?
- Schisler Lake has a maximum depth of 19 feet. The lake covers 69.81 acres.
Can I fish at Schisler Lake?
- Public access to Schisler 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.
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Where this data comes from
2 measurements from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA2 samples · 2025
Analytical methods
- Phosphorus by Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
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