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LakeQuality

Sabin Lake

St. Louis County, Minnesota279 acresView mapDirections

Minnesota PCA publishes the water-quality measurements for Sabin Lake. Here is what has been measured.

Clarity
2.1 ft
Murkier than most
Secchi · sampled 2025
Phosphorus
19.5 µg/L
Typical for Minnesota
Measured by Minnesota PCA
Chlorophyll-a
4.1 µg/L
Typical for Minnesota
Measured by Minnesota PCA
Water temp
~58°F
Typical for Oct · EPA WQP
Max depth
52 ft
Bathymetric survey
Area
279 acres
Surface area
  • Eutrophic
  • 52 ft max depth
  • Public access
  • Limited data

Sabin Lake in St. Louis County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 2.1 ft visibility. Phosphorus: 19.5 µg/L. Chlorophyll-a (algae): 4.1 µg/L. Maximum depth: 52 ft. Surface area: 278.87 acres.

Minnesota DNR's Standard Survey on August 8, 2016 caught 2.11 walleye per gill net at Sabin Lake. Length samples in the latest survey that recorded them ran 6–27 inches. DNR survey details →

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Sabin Lake is a 279-acre productive, nutrient-rich eutrophic lake in St. Louis County, Minnesota with a maximum depth of 52 feet. Overall water quality is declining over recent sampling years. The lake supports 10 documented fish species including black crappie, bluegill, and cisco species. Public access is available. Compared to the 67 other monitored lakes in St. Louis County, Sabin Lake ranks #17 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-07-20. Methodology: how these readings are compared.

What Sabin Lake is good for

From access and monitoring records, not editorial picks.

  • Fishing10 species recorded
  • Ice seasonIce-out around Apr 23
  • Deep water52 ft surveyed max depth

Swimming conditions

Readings only

Limited data

Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Sabin 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.

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Water quality measurements for Sabin Lake

These are the measurements Minnesota PCA publishes for Sabin Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Very murky, less than 2.1 ft of visibility. Phosphorus 19.5 µg/L. Chlorophyll-a 4.1 µg/L. TSI 53.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)2.1ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus19.5µg/LGood
GoodFairPoor
Chlorophyll-a (algae)4.1µg/LGood
GoodFairPoor
Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.53Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Sabin Lake

Answers come straight from the public measurements and survey records on this page.

Water Temperature

Sabin Lake typically sits around 58°F at the surface in October. Summer average is about 69°F. Usually warmest in Jul (about 70°F) and coldest in May (about 57°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
57°
May
69°
Jun
70°
Jul
68°
Aug
67°
Sep
58°
Oct
Nov
Dec

Column height runs from this lake’s coldest month (57°F) to its warmest (70°F).

Typical surface water temperature by month, from 24 field readings (2023–2024) via the EPA Water Quality Portal.

DNR fisheries survey

Minnesota DNR's Standard Survey on August 8, 2016 caught 2.11 walleye per gill net at Sabin Lake. Length samples in the latest survey that recorded them ran 6–27 inches.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Sabin Lake’s water-quality measurements separately, and the water-quality trend over 2 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.

DNR Fisheries Survey Summary

8 surveys on file from MN DNR Fisheries. Most recent: 2016-08-08 (Standard Survey).

8 surveys on file · most recent 2016-08-08 (Standard Survey)

SpeciesCatch rate (CPUE)SizeAvg weight
Tullibee (Cisco)
6.22
6–10 in
2006-08-07
0.11 lb
Black Crappie
2.34
4–12 in
2016-08-08
0.3 lb
Bluegill
2.09
6–8 in
2016-08-08
0.37 lb
Walleye
1.90
6–27 in
2016-08-08
0.72 lb
White Sucker
1.84
11–19 in
2016-08-08
2.3 lb
Northern Pike
1.56
16–35 in
2016-08-08
1.56 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.

Tullibee (Cisco)

19 fish · 6–10 in · 2006-08-07
740678910

Black Crappie

4 fish · 4–12 in · 2016-08-08
10trophy 10″456789101112

Bluegill

7 fish · 6–8 in · 2016-08-08
420678

Walleye

29 fish · 6–27 in · 2016-08-08
950trophy 24″68101214161820222426

From the 2016-08-08 survey

Wynne Lake is a 278 acre lake located just northwest of the city of Biwabik. It is accessed by a ramp on the north end of the lake. It has a maximum depth of 52 feet and dark brown water. in August 2016, oxygen levels were adequate for fish to a depth of 27 feet. Wynne Lake is relatively developed with year round and…

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 Sabin Lake. 2 reports on file.

These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).

Lake Details

Max depth

52 ft

Surface area

279 acres

Shoreline

6.2 mi

Littoral zone

25%

Share shallower than 15 ft

Public access

Yes

Listed by Minnesota PCA

Stays via Stay22

Stays near Sabin Lake

Compare lakeside cabins, hotels, and vacation rentals near Sabin 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 Sabin Lake

Prices for Oct 9–11, 4 adults. Change dates on the map below.

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Fish Species

Click a species to see every lake where it is documented.

Fishing Sabin Lake

2 seasons of samples on record (2021–2024). Calling a direction takes at least 4 years of the same measurement.

  • Water clarity

    Worsening

    2 years

Ice season

Typical ice-out

Apr 23

Earliest Apr 14, 2005 · Latest May 4, 2008

Typical ice-in

Nov 25

Earliest Nov 10, 2014 · Latest Dec 14, 2001

Most recent ice-out

Apr 17

2015

14 observations · Minnesota PCA ice records

Nearby Lakes in St. Louis County

Frequently asked questions about Sabin Lake

Where is Sabin Lake?

Sabin 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 Sabin Lake?

Sabin Lake in St. Louis County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 2.1 ft visibility. Phosphorus: 19.5 µg/L. Chlorophyll-a (algae): 4.1 µg/L. Maximum depth: 52 ft. Surface area: 278.87 acres.

Measurements on this page ↑

Is Sabin Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

What is the water temperature of Sabin Lake?

Sabin Lake typically sits around 58°F at the surface in October, from 24 EPA Water Quality Portal field readings (2023–2024). That is a typical value for the month, not a live reading.

Temp on this page ↑

How deep is Sabin Lake?

Sabin Lake has a maximum depth of 52 feet. The lake covers 278.87 acres.

What fish are in Sabin Lake?

Fish species found in Sabin Lake include black crappie, bluegill, cisco species, northern pike, rock bass, shorthead redhorse, walleye, white sucker, yellow bullhead, yellow perch. Sabin Lake is located in St. Louis County, Minnesota.

Fish on this page ↑

What did the DNR fisheries survey find at Sabin Lake?

Minnesota DNR's Standard Survey on August 8, 2016 caught 2.11 walleye per gill net at Sabin Lake. Length samples in the latest survey that recorded them ran 6–27 inches. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Sabin Lake’s water-quality measurements separately, and the water-quality trend over 2 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.

DNR on this page ↑

When does Sabin Lake thaw?

Sabin Lake typically has ice-out around Apr 23. Ice typically forms around Nov 25. The open water season is approximately 216 days.

Can I fish at Sabin Lake?

Public access to Sabin Lake is listed as yes on the lake record. 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.

Where this data comes from

101 measurements from 4 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA101 samples · 2020–2025

Analytical methods

  • Field measurement/observation, generic method
  • Phosphorus by Colorimetry
  • 10200 H ~ Chlorophyll a-b-c Determination
Monitoring station identifiers (4)

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 details from Minnesota DNR LakeFinder

Ice data from Minnesota DNR Climate