Little Lac Courte Lake
Sawyer County, Wisconsin221 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Little Lac Courte Lake. Here is what has been measured.
- Curly-Leaf Pondweed
- 46 ft max depth
- Limited data
Little Lac Courte Lake in Sawyer County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 12.3 ft visibility. Maximum depth: 46 ft. Surface area: 221 acres.
Wisconsin DNR lists Northern Pike as common on Little Lac Courte Lake. DNR survey details →
Little Lac Courte Lake is a 221-acre lake in Sawyer County, Wisconsin with a maximum depth of 46 feet. Overall water quality is improving over recent sampling years. The lake supports 6 documented fish species including Musky, Panfish, and Largemouth Bass.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2024-09-20. Methodology: how these readings are compared.
What Little Lac Courte Lake is good for
From access and monitoring records, not editorial picks.
- Clear water12.3 ft of visibility
- Fishing6 species recorded
- Deep water46 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 Little Lac Courte Lake is safe to swim in today is a call for the Wisconsin Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Little Lac Courte Lake
These are the measurements Wisconsin DNR publishes for Little Lac Courte Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 12.3 ft. TSI 41.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 12.3ft | 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. | 41 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Little Lac Courte Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR lists Northern Pike as common on Little Lac Courte Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Little Lac Courte Lake’s water-quality measurements separately, and the water-quality trend over 6 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. 1 station on file (most recent sample 2024).
Fish Species (DNR-rated)
Lake Details
Max depth
46 ft
Surface area
221 acres
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Stays near Little Lac Courte Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Little Lac Courte Lake
- → Little Lac Courte Lake fishing: DNR survey catch rates, species & stocking
- → Little Lac Courte Lake fishing forecast & best times (species outlook + 14-day solunar calendar)
- → Little Lac Courte Lake fishing regulations (limits, seasons, special rules)
- → Is it safe to eat fish from Little Lac Courte Lake? (mercury & PFAS guide)
Invasive & Introduced Species
Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.
Water Quality Trend: Improving
Based on 6 years of monitoring (2020–2025).
Water clarity
Improving6 years
Phosphorus
Improving-0.91 µg/L/yr6 years
Chlorophyll-a
Improving-0.13 µg/L/yr4 years
Nearby Lakes in Sawyer County
Frequently asked questions about Little Lac Courte Lake
Where is Little Lac Courte Lake?
- Little Lac Courte Lake is a lake in Sawyer County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Little Lac Courte Lake?
- Little Lac Courte Lake in Sawyer County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 12.3 ft visibility. Maximum depth: 46 ft. Surface area: 221 acres.
Is Little Lac Courte Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Little Lac Courte Lake?
- Little Lac Courte Lake has a maximum depth of 46 feet. The lake covers 221 acres.
What fish are in Little Lac Courte Lake?
- Fish species found in Little Lac Courte Lake include Musky, Panfish, Largemouth Bass, Smallmouth Bass, Northern Pike, Walleye. Little Lac Courte Lake is located in Sawyer County, Wisconsin.
What did the DNR fisheries survey find at Little Lac Courte Lake?
- Wisconsin DNR lists Northern Pike as common on Little Lac Courte Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Little Lac Courte Lake’s water-quality measurements separately, and the water-quality trend over 6 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Explore Little Lac Courte Lake across LakeQuality
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Where this data comes from
64 measurements from 1 monitoring station, 2021–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX64 samples · 2021–2024
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
Fish and recreation data from Wisconsin DNR Lakes