Bealeau Lake
Shawano County, Wisconsin27 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Bealeau Lake. Here is what has been measured.
- Mesotrophic
- 24 ft max depth
- Public access
Bealeau Lake in Shawano County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 11.5 ft visibility. Phosphorus: 17 µg/L. Chlorophyll-a (algae): 2.2 µg/L. Maximum depth: 24 ft. Surface area: 27 acres.
Wisconsin DNR lists Largemouth Bass as common on Bealeau Lake. DNR survey details →
Bealeau Lake is a 27-acre mesotrophic lake in Shawano County, Wisconsin with a maximum depth of 24 feet. Overall water quality is improving over recent sampling years. The lake supports 4 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available. Compared to the 20 other monitored lakes in Shawano County, Bealeau Lake ranks #6 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-10-07. Methodology: how these readings are compared.
What Bealeau Lake is good for
From access and monitoring records, not editorial picks.
- Clear water11.5 ft of visibility
- Fishing4 species recorded
Swimming conditions
Readings onlyLow algae
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 Bealeau 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 Bealeau Lake
These are the measurements Wisconsin DNR publishes for Bealeau 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 11.5 ft. Phosphorus 17 µg/L. Chlorophyll-a 2.2 µg/L. TSI 42.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 11.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 17µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 2.2µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 42 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Bealeau Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Bealeau Lake typically sits around 66°F at the surface in October. Summer average is about 70°F. Usually warmest in Aug (about 76°F) and coldest in May (about 55°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (55°F) to its warmest (76°F).
Typical surface water temperature by month, from 118 field readings (2025–2025) via the EPA Water Quality Portal. See the full Bealeau Lake water temperature breakdown →
Wisconsin DNR lists Largemouth Bass as common on Bealeau Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Bealeau 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. Monitored by volunteers since 2007. 1 station on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
Max depth
24 ft
Surface area
27 acres
Public access
Yes
Listed by Wisconsin DNR
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Stays near Bealeau Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Bealeau Lake
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-1.62 µg/L/yr2 years
Chlorophyll-a
Improving-0.48 µg/L/yr2 years
Nearby Lakes in Shawano County
Frequently asked questions about Bealeau Lake
Where is Bealeau Lake?
- Bealeau Lake is a lake in Shawano County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Bealeau Lake?
- Bealeau Lake in Shawano County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 11.5 ft visibility. Phosphorus: 17 µg/L. Chlorophyll-a (algae): 2.2 µg/L. Maximum depth: 24 ft. Surface area: 27 acres.
Is Bealeau Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Bealeau Lake?
- Bealeau Lake typically sits around 66°F at the surface in October, from 118 EPA Water Quality Portal field readings (2025–2025). That is a typical value for the month, not a live reading.
How deep is Bealeau Lake?
- Bealeau Lake has a maximum depth of 24 feet. The lake covers 27 acres.
What fish are in Bealeau Lake?
- Fish species found in Bealeau Lake include Panfish, Largemouth Bass, Northern Pike, Walleye. Bealeau Lake is located in Shawano County, Wisconsin.
What did the DNR fisheries survey find at Bealeau Lake?
- Wisconsin DNR lists Largemouth Bass as common on Bealeau Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Bealeau 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.
Can I fish at Bealeau Lake?
- Public access to Bealeau Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Wisconsin's fish and wildlife agency, so check its current regulations before you go.
Explore Bealeau Lake across LakeQuality
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Where this data comes from
78 measurements from 1 monitoring station, 2021–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Stockbridge_Munsee Community
STOCKBRIDGE_MUNSEE78 samples · 2021–2025
Analytical methods
- 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
- Phosphorus in Water by Colorimetry- Ascorbic Acid Method
- 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
Fish and recreation data from Wisconsin DNR Lakes