Nibin Lake
St. Louis County, Minnesota776 acresView mapDirections
Minnesota PCA publishes the water-quality measurements for Nibin Lake. Here is what has been measured.
- 40 ft max depth
- Limited data
Nibin Lake in St. Louis County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 5.6 ft visibility. Maximum depth: 40 ft. Surface area: 775.93 acres.
Minnesota DNR's Standard Survey on June 13, 2016 caught 4.44 walleye per gill net at Nibin Lake. Length samples in the latest survey that recorded them ran 8–26 inches. DNR survey details →
Nibin Lake is a 776-acre lake in St. Louis County, Minnesota with a maximum depth of 40 feet. The lake supports 5 documented fish species including northern pike, tullibee (cisco), and walleye. No public access — the lake is private or restricted.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2022-08-30. Methodology: how these readings are compared.
What Nibin Lake is good for
From access and monitoring records, not editorial picks.
- Fishing5 species recorded
- Deep water40 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Nibin 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 Nibin Lake
These are the measurements Minnesota PCA publishes for Nibin 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 5.6 ft. TSI 52.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 5.6ft | 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. | 52 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Nibin Lake
Answers come straight from the public measurements and survey records on this page.
Minnesota DNR's Standard Survey on June 13, 2016 caught 4.44 walleye per gill net at Nibin Lake. Length samples in the latest survey that recorded them ran 8–26 inches.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Nibin Lake’s water-quality measurements separately. 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: 2025-08-18 (Targeted Survey).
8 surveys on file · most recent 2025-08-18 (Targeted Survey)
| Species | Catch rate (CPUE) | Size | Avg weight |
|---|---|---|---|
| White Sucker | 8.27 | 12–21 in 2016-06-13 | 2.58 lb |
| Walleye | 5.28 | 8–26 in 2016-06-13 | 0.9 lb |
| Yellow Perch | 2.69 | 8–13 in 2016-06-13 | 0.43 lb |
| Green Sunfish | 1.67 | 0.1 lb | |
| Northern Pike | 1.18 | 19–30 in 2016-06-13 | 2.99 lb |
| Tullibee (Cisco) | 0.87 | 9–11 in 2016-06-13 | 0.47 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.
White Sucker
Walleye
Yellow Perch
Northern Pike
From the 2025-08-18 survey
Temperature and dissolved oxygen (DO) measurements were collected from the deepest basin in Stuart Lake on August 18th, 2025, to evaluate the quantity and quality of cold, oxygenated water (i.e., oxythermal habitat) available to Cisco, also known as Tullibee, the most sensitive coldwater species present in this lake.…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Nibin Lake. 2 reports on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — StuartFisheries Lake Survey · MN DNR LakeFinder
- —Fish Stocking History — StuartFish Stocking History · MN DNR LakeFinder
Lake Details
Max depth
40 ft
Surface area
776 acres
Shoreline
11.3 mi
Littoral zone
30%
Share shallower than 15 ft
Public access
No
Listed by Minnesota PCA
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Fish Species
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Fishing Nibin Lake
Nearby Lakes in St. Louis County
Frequently asked questions about Nibin Lake
Where is Nibin Lake?
- Nibin 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 Nibin Lake?
- Nibin Lake in St. Louis County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 5.6 ft visibility. Maximum depth: 40 ft. Surface area: 775.93 acres.
Is Nibin Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Nibin Lake?
- Nibin Lake has a maximum depth of 40 feet. The lake covers 775.93 acres.
What fish are in Nibin Lake?
- Fish species found in Nibin Lake include northern pike, tullibee (cisco), walleye, white sucker, yellow perch. Nibin Lake is located in St. Louis County, Minnesota.
What did the DNR fisheries survey find at Nibin Lake?
- Minnesota DNR's Standard Survey on June 13, 2016 caught 4.44 walleye per gill net at Nibin Lake. Length samples in the latest survey that recorded them ran 8–26 inches. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Nibin Lake’s water-quality measurements separately. Catch rate is not a swim clearance and is not a weekly bite report.
Can I fish at Nibin Lake?
- Public access to Nibin 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 Nibin Lake across LakeQuality
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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 Department of Agriculture - Pesticide Monitoring
MNDA_PESTICIDE1 sample · 2022
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 details from Minnesota DNR LakeFinder