Beasley Lake
Beasley Lake in Waupaca County, Wisconsin has a water quality grade of B (Good). Water clarity: 18.4 ft visibility. Phosphorus: 15.1 µg/L. Maximum depth: 47 ft. Surface area: 12 acres.
Wisconsin DNR lists Largemouth Bass as common on Beasley Lake. DNR survey details →
- Clarity
- 18.4 ft
- Max depth
- 47 ft
- Area
- 12 acres
- Type
- Oligotrophic
- Trend
- → Stable
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Beasley Lake is a 12-acre cold, clear oligotrophic lake in Waupaca County, Wisconsin with a maximum depth of 47 feet. Water quality is graded B based on 1 sampling years through 2023. Water clarity is improving over recent sampling years. The lake supports 6 documented fish species including Musky, Panfish, and Largemouth Bass. Compared to the 20 other monitored lakes in Waupaca County, Beasley Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2023-09-21. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Crystal clear, you can see 18.4 ft down. Phosphorus level: 15.1 µg/L. Trophic State Index: 39.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 18.4 ft | Not graded |
| Phosphorus | 15.1 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 39 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Beasley Lake
Compare lakeside cabins, hotels, and vacation rentals near Beasley Lake in Waupaca County, Wisconsin — 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.
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Wisconsin DNR lists Largemouth Bass as common on Beasley Lake.
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Beasley Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 7 years of monitoring is stable. 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. 2 stations on file (most recent sample 2023).
Fish Species (DNR-rated)
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 47 ft |
| Surface Area | 12 acres |
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Beasley 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: → Stable
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.527 m/yr | 7 |
| Phosphorus | ↓ Declining | +0.32 µg/L/yr | 6 |
EPA Impairment Status
Beasley Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit WI10016632 · Official waterbody report · Matched by proximity (0.95 km)
County Ranking
Ranked #3 of 21 lakes in Waupaca County
Nearby Lakes in Waupaca County
Frequently asked questions about Beasley Lake
Where is Beasley Lake?
- Beasley Lake is a lake in Waupaca County, Wisconsin. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Beasley Lake?
- Beasley Lake in Waupaca County, Wisconsin has a water quality grade of B (Good). Water clarity: 18.4 ft visibility. Phosphorus: 15.1 µg/L. Maximum depth: 47 ft. Surface area: 12 acres.
Is Beasley Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Beasley Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
How deep is Beasley Lake?
- Beasley Lake has a maximum depth of 47 feet. The lake covers 12 acres.
What fish are in Beasley Lake?
- Fish species found in Beasley Lake include Musky, Panfish, Largemouth Bass, Northern Pike, Trout, Walleye. Beasley Lake is located in Waupaca County, Wisconsin.
What did the DNR fisheries survey find at Beasley Lake?
- Wisconsin DNR lists Largemouth Bass as common on Beasley Lake. A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Beasley Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 7 years of monitoring is stable. Catch rate is not a swim clearance and is not a weekly bite report.
Explore Beasley Lake across LakeQuality
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Where this data comes from
20 measurements from 1 monitoring station, 2020–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX20 samples · 2020–2023
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)
Fish and recreation data from Wisconsin DNR Lakes