Twentysix Lake
Twentysix Lake in Burnett County, Wisconsin is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 14 ft visibility. Maximum depth: 45 ft. Surface area: 218 acres.
- Clarity
- 14 ft
- Max depth
- 45 ft
- Area
- 218 acres
- Trend
- → Stable
- Public access
- Yes
Next lake in Burnett County
Why Twentysix Lake has no grade
We grade a lake only when its monitoring record clears the evidence bar: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Twentysix Lake, the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity. Sampling here has recorded water clarity, but not phosphorus and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by WI DNR and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
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 2 public boat landings.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-09-17. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Twentysix Lake
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Good clarity, visible to about 14 ft. Trophic State Index: 39.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 14 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 39 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay 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
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Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 45 ft |
| Surface Area | 218 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Lake Twenty-Six ParkPublic
- Eagle LakePublic
Fish Species
Click a species to see every graded 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.
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 1986. 2 stations on file (most recent sample 2025).
Fish Species (DNR-rated)
Water Quality Trend: → Stable
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | +0.229 m/yr | 6 |
Graded lakes near Twentysix Lake
Twentysix Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Burnett County
Frequently asked questions about Twentysix Lake
What is the water quality grade for Twentysix Lake?
- Twentysix Lake in Burnett County, Wisconsin is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 14 ft visibility. Maximum depth: 45 ft. Surface area: 218 acres.
Is Twentysix Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Twentysix Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
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.
Are there boat ramps on Twentysix Lake?
- Twentysix Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Lake Twenty-Six Park, Eagle Lake. Public access is listed as yes.
Explore Twentysix Lake across LakeGrade
Depth, room, public access, and the state wake-sport rules
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Species activity outlook by water temperature and season
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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 Resources
WIDNR_WQX64 samples · 2020–2025
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
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