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Lake Wilipyro

Bayfield County, Wisconsin72 acresView mapDirections

Wisconsin DNR publishes the water-quality measurements for Lake Wilipyro. Here is what has been measured.

Clarity
10.5 ft
Typical for Wisconsin
Secchi · sampled 2026
Phosphorus
14 µg/L
Typical for Wisconsin
Measured by Wisconsin DNR
Water temp
~74°F
Typical for Aug · EPA WQP
Max depth
25 ft
Bathymetric survey
Area
72 acres
Surface area
Type
Mesotrophic
Trophic class
  • Mesotrophic
  • 25 ft max depth

Lake Wilipyro in Bayfield County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 10.5 ft visibility. Phosphorus: 14 µg/L. Maximum depth: 25 ft. Surface area: 72 acres.

Wisconsin DNR lists Panfish as present on Lake Wilipyro. DNR survey details →

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Lake Wilipyro is a 72-acre mesotrophic lake in Bayfield County, Wisconsin with a maximum depth of 25 feet. Water clarity is improving over recent sampling years. The lake supports 3 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Compared to the 23 other monitored lakes in Bayfield County, Lake Wilipyro ranks #9 for water quality.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-19. Methodology: how these readings are compared.

Lake Wilipyro covers about 72 acres in Bayfield County. Vrbo is where to look for cabins and lake homes around Lake Wilipyro, and Booking.com and Expedia search hotels near the lake for your dates.

What Lake Wilipyro is good for

From access and monitoring records, not editorial picks.

  • Clear water10.5 ft of visibility
  • Fishing3 species recorded

Swimming conditions

Readings only

Low 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 Lake Wilipyro 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.

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Water quality measurements for Lake Wilipyro

These are the measurements Wisconsin DNR publishes for Lake Wilipyro, 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 10.5 ft. Phosphorus 14 µg/L. TSI 43.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)10.5ftMeasured, not scored

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

Total phosphorus14µg/LGood
GoodFairPoor
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.43Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Lake Wilipyro

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

Water Temperature

Lake Wilipyro typically sits around 74°F at the surface in August. Summer average is about 73°F. Usually warmest in Jul (about 75°F) and coldest in May (about 56°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
56°
May
70°
Jun
75°
Jul
74°
Aug
Sep
Oct
Nov
Dec

Column height runs from this lake’s coldest month (56°F) to its warmest (75°F).

Typical surface water temperature by month, from 14 field readings (2024–2026) via the EPA Water Quality Portal. See the full Lake Wilipyro water temperature breakdown →

DNR fisheries survey

Wisconsin DNR lists Panfish as present on Lake Wilipyro.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Lake Wilipyro’s water-quality measurements separately, 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. Monitored by volunteers since 2001. 2 stations on file (most recent sample 2025).

DNR Assessment
Good · Deep Seepage lake
Trophic State Index 44 (mesotrophic) · 5-year average

Fish Species (DNR-rated)

Panfish(Present)Largemouth Bass(Present)Northern Pike(Present)

Lake Details

Max depth

25 ft

Surface area

72 acres

Stays via Stay22

Stays near Lake Wilipyro

Compare lakeside cabins, hotels, and vacation rentals near Lake Wilipyro in Bayfield 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.

Top-rated places to stay near Lake Wilipyro

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

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

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Follow Lake Wilipyro’s readings

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Fish Species

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

Fishing Lake Wilipyro

Based on 7 years of monitoring (2020–2026).

  • Water clarity

    Improving

    7 years

  • Phosphorus

    Worsening

    +0.29 µg/L/yr7 years

See year-by-year chart →

Nearby Lakes in Bayfield County

Frequently asked questions about Lake Wilipyro

Where is Lake Wilipyro?

Lake Wilipyro is a lake in Bayfield County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.

What is the water quality of Lake Wilipyro?

Lake Wilipyro in Bayfield County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 10.5 ft visibility. Phosphorus: 14 µg/L. Maximum depth: 25 ft. Surface area: 72 acres.

Measurements on this page ↑

Is Lake Wilipyro 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 Lake Wilipyro?

Lake Wilipyro typically sits around 74°F at the surface in August, from 14 EPA Water Quality Portal field readings (2024–2026). That is a typical value for the month, not a live reading.

Temp on this page ↑

How deep is Lake Wilipyro?

Lake Wilipyro has a maximum depth of 25 feet. The lake covers 72 acres.

What fish are in Lake Wilipyro?

Fish species found in Lake Wilipyro include Panfish, Largemouth Bass, Northern Pike. Lake Wilipyro is located in Bayfield County, Wisconsin.

Fish on this page ↑

What did the DNR fisheries survey find at Lake Wilipyro?

Wisconsin DNR lists Panfish as present on Lake Wilipyro. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Lake Wilipyro’s water-quality measurements separately, 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.

DNR on this page ↑

Where this data comes from

53 measurements from 1 monitoring station, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX53 samples · 2020–2026

Analytical methods

  • Phosphorus by Colorimetry
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