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LakeQuality

Pensaukee Lake

Shawano County, Wisconsin109 acresView mapDirections

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

Clarity
10.5 ft
Typical for Wisconsin
Secchi · sampled 2020
Max depth
49 ft
Bathymetric survey
Area
109 acres
Surface area
Trend
Stable
6 years of samples
  • Curly-Leaf Pondweed
  • 49 ft max depth
  • Public access
  • Limited data

Pensaukee Lake in Shawano County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 10.5 ft visibility. Maximum depth: 49 ft. Surface area: 109 acres.

Wisconsin DNR lists Panfish as common on Pensaukee Lake. DNR survey details →

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Pensaukee Lake is a 109-acre lake in Shawano County, Wisconsin with a maximum depth of 49 feet. Water clarity is declining over recent sampling years. The lake supports 4 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2020-09-27. Methodology: how these readings are compared.

What Pensaukee Lake is good for

From access and monitoring records, not editorial picks.

  • Clear water10.5 ft of visibility
  • Boat launch1 documented ramp
  • Fishing4 species recorded
  • Deep water49 ft surveyed max depth

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Pensaukee 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.

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Water quality measurements for Pensaukee Lake

These are the measurements Wisconsin DNR publishes for Pensaukee 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 10.5 ft. 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 phosphorusNo 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.43Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Pensaukee Lake

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

DNR fisheries survey

Wisconsin DNR lists Panfish as common on Pensaukee Lake.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Pensaukee Lake’s water-quality measurements separately, and the water-quality trend over 6 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. 3 stations on file (most recent sample 2023).

Fish Species (DNR-rated)

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

Lake Details

Max depth

49 ft

Surface area

109 acres

Public access

Yes

Listed by Wisconsin DNR

Lake Size & Watershed

Watershed (drainage) area

1 sq mi

HydroLAKES / HydroSHEDS

Shoreline

2.1 mi

HydroLAKES / HydroSHEDS

Elevation

807 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Pensaukee LakePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Pensaukee Lake

Compare lakeside cabins, hotels, and vacation rentals near Pensaukee Lake in Shawano 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 Pensaukee Lake

Prices for Oct 16–18, 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.

Planning a whole trip? See where to stay at Wisconsin’s top lakes →

Follow Pensaukee Lake’s readings

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Fish Species

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

Fishing Pensaukee 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.

Banded Mystery SnailChinese Mystery SnailCurly-Leaf PondweedEurasian Water-Milfoil

Based on 6 years of monitoring (2020–2025).

  • Water clarity

    Worsening

    6 years

  • Phosphorus

    Improving

    -1.12 µg/L/yr5 years

See year-by-year chart →

Nearby Lakes in Shawano County

Frequently asked questions about Pensaukee Lake

Where is Pensaukee Lake?

Pensaukee 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 Pensaukee Lake?

Pensaukee Lake in Shawano County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 10.5 ft visibility. Maximum depth: 49 ft. Surface area: 109 acres.

Measurements on this page ↑

Is Pensaukee Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

How deep is Pensaukee Lake?

Pensaukee Lake has a maximum depth of 49 feet. The lake covers 109 acres.

What fish are in Pensaukee Lake?

Fish species found in Pensaukee Lake include Panfish, Largemouth Bass, Northern Pike, Walleye. Pensaukee Lake is located in Shawano County, Wisconsin.

Fish on this page ↑

What did the DNR fisheries survey find at Pensaukee Lake?

Wisconsin DNR lists Panfish as common on Pensaukee Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Pensaukee Lake’s water-quality measurements separately, and the water-quality trend over 6 years of monitoring is stable. Catch rate is not a swim clearance and is not a weekly bite report.

DNR on this page ↑

Are there boat ramps on Pensaukee Lake?

Pensaukee Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Pensaukee Lake. Public access is listed as yes.

Access on this page ↑

Can I fish at Pensaukee Lake?

Pensaukee Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. 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.

Access on this page ↑

State Parks Near Pensaukee Lake

Where this data comes from

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

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX4 samples · 2020
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 size & watershed from HydroLAKES (HydroSHEDS)

Fish and recreation data from Wisconsin DNR Lakes

Named boat-access points from the USGS National Boat Ramps inventory