Lake Twentysix
Cass County, Minnesota105 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
- 10 ft max depth
Lake Twentysix in Cass County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 10 ft. Surface area: 105 acres.
Lake Twentysix is a 105-acre lake in Cass County, Minnesota with a maximum depth of 10 feet.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Twentysix is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Twentysix
These are the measurements Minnesota PCA publishes for Lake Twentysix, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about Lake Twentysix
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
10 ft
Surface area
105 acres
Shoreline
1.8 mi
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
Stays via Stay22
Stays near Lake Twentysix
Compare lakeside cabins, hotels, and vacation rentals near Lake Twentysix in Cass County, Minnesota — 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 Twentysix
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 Minnesota’s top lakes →
Follow Lake Twentysix’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Lake Twentysix
Nearby Lakes in Cass County
Frequently asked questions about Lake Twentysix
Where is Lake Twentysix?
- Lake Twentysix is a lake in Cass County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Lake Twentysix?
- Lake Twentysix in Cass County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 10 ft. Surface area: 105 acres.
Is Lake Twentysix safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Twentysix?
- Lake Twentysix has a maximum depth of 10 feet. The lake covers 105 acres.
Explore Lake Twentysix across LakeQuality
Fish species and the cleanest lakes across Minnesota
Fish species and best lakes in Cass County
Species activity outlook by water temperature and season
Top lakes and where to stay in the Brainerd Lakes area
Where to stay at Minnesota's top lakes, each with its readings
Lakes in the Mississippi Headwaters, ranked by water quality
Lakes in the Pine River Watersheds (Brainerd Lakes), ranked by water quality
Minnesota's cleanest lakes, ranked on agency measurements
More lakes in Minnesota
State Parks Near Lake Twentysix
Other Lakes in Minnesota
Where this data comes from
Measurements for Lake Twentysix come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Lake details from Minnesota DNR LakeFinder