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LakeQuality

Twentysix Lake

Burnett County, Wisconsin218 acresView mapDirections

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

Clarity
14 ft
Clearer than most
Secchi · sampled 2025
Max depth
45 ft
Bathymetric survey
Area
218 acres
Surface area
Trend
Stable
6 years of samples
  • 45 ft max depth
  • Public access
  • Limited data

Twentysix Lake in Burnett County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 14 ft visibility. Maximum depth: 45 ft. Surface area: 218 acres.

Wisconsin DNR lists Musky as common on Twentysix Lake. DNR survey details →

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Twentysix Lake is a 218-acre lake in Burnett County, Wisconsin with a maximum depth of 45 feet. The lake supports 4 documented fish species including Musky, Panfish, and Largemouth Bass. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-09-17. Methodology: how these readings are compared.

Twentysix Lake covers about 220 acres in Burnett County. It has one public boat landing. Vrbo is where to look for cabins and lake homes around Twentysix Lake, and Booking.com and Expedia search hotels near the lake for your dates.

What Twentysix Lake is good for

From access and monitoring records, not editorial picks.

  • Clear water14 ft of visibility
  • Boat launch1 documented ramp
  • Fishing4 species recorded
  • Deep water45 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 Twentysix 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 Twentysix Lake

These are the measurements Wisconsin DNR publishes for Twentysix 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 14 ft. TSI 39.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)14ftMeasured, 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.39Oligotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Low nutrients, clear water. No reading is a swimming clearance.

Ask about Twentysix Lake

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

DNR fisheries survey

Wisconsin DNR lists Musky as common on Twentysix Lake.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Twentysix 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. Monitored by volunteers since 1986. 2 stations on file (most recent sample 2025).

DNR Assessment
Reported
Trophic State Index 40 (oligotrophic) · 5-year average

Fish Species (DNR-rated)

Musky(Common)Panfish(Common)Largemouth Bass(Common)Northern Pike(Common)

Lake Details

Max depth

45 ft

Surface area

218 acres

Public access

Yes

Listed by Wisconsin DNR

Lake Size & Watershed

Watershed (drainage) area

3 sq mi

HydroLAKES / HydroSHEDS

Shoreline

3.5 mi

HydroLAKES / HydroSHEDS

Elevation

955 ft

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

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Lake Twenty-Six ParkPublic

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

Stays via Stay22

Stays near Twentysix Lake

Compare lakeside cabins, hotels, and vacation rentals near Twentysix Lake in Burnett 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 Twentysix Lake

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.

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

Follow Twentysix Lake’s readings

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Fish Species

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

Fishing Twentysix 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.

Chinese Mystery Snail

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

  • Water clarity

    Stable

    6 years

See year-by-year chart →

Nearby Lakes in Burnett County

Frequently asked questions about Twentysix Lake

Where is Twentysix Lake?

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

What is the water quality of Twentysix Lake?

Twentysix Lake in Burnett County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 14 ft visibility. Maximum depth: 45 ft. Surface area: 218 acres.

Measurements on this page ↑

Is Twentysix 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 Twentysix Lake?

Twentysix Lake has a maximum depth of 45 feet. The lake covers 218 acres.

What fish are in Twentysix Lake?

Fish species found in Twentysix Lake include Musky, Panfish, Largemouth Bass, Northern Pike. Twentysix Lake is located in Burnett County, Wisconsin.

Fish on this page ↑

What did the DNR fisheries survey find at Twentysix Lake?

Wisconsin DNR lists Musky as common on Twentysix Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Twentysix 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 Twentysix Lake?

Twentysix Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Twenty-Six Park. Public access is listed as yes.

Access on this page ↑

Can I fish at Twentysix Lake?

Twentysix 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 ↑

Oligotrophic Lakes in Wisconsin

Where this data comes from

64 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX64 samples · 2020–2025
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