Townline Lake
Oneida County, Wisconsin · WBIC 1023100
Size
62 acres
Max depth
25 ft
DNR lake type
Simple, Cool, clear water color
Water clarity
10 ft
Clear, measured Jun 2022
A cool-water lake type: the DNR groups it with lakes that stay cooler through summer. This describes the lake type in general, not this lake in particular.
Outline
Numbered dots are boat landings; tap one for directions. The list below has the same numbers. Drawn from the DNR's 24K hydrography (surveyed 1982), so the shape is approximate and a landing can sit a little off the shore. Open the DNR lake map.
Water clarity
10 ft Secchi depthClear
Last measured Jun 16, 2022. 3 readings on record, 2017 to 2022.
Only a few readings are on record.
Secchi depth is how far down a white disk stays visible. A bigger number means clearer water. Clear means a Secchi depth of 10 feet or more, moderate 5 to 10 feet, low under 5 feet.
Wisconsin DNR water monitoring (volunteer and staff), via the Water Quality Portal; station Townline Lake - Deep Hole. Checked Oct 23, 2026.
Water temperature
A typical year Modeled estimate
- Ice goes outabout Apr 21 (Apr 11 to Apr 27)
- Surface reaches 48°Fabout Apr 29 (Apr 19 to May 8)
- Surface reaches 64°Fabout May 24 (May 13 to May 26)
- June surface70°F, usually 68 to 71°F
- July surface75°F, usually 74 to 76°F
- August surface72°F, usually 70 to 74°F
Forms a warm top layer around May 8, lasting about 133 days.
A computer model of this lake's typical weather and water, built from 15 years, 2005 to 2019. Ranges show the middle half of years. The model was not calibrated against measured temperatures for this lake. It is an estimate, not a measurement.
Modeled: U.S. Geological Survey lake temperature data release (doi:10.5066/P9CA6XP8).
Today at the lake
Forecast: National Weather Service (no endorsement implied). Sunrise, sunset and moon phase are calculated. The moon phase can be a day off.
Boat landings
- 1Townline Lake Park AccessBoat ramp · Gravel surface · County
Directions
Wisconsin DNR public boat access sites. Checked Oct 23, 2026.
More lakes in Oneida County
- Langley Lake0.8 miles away
- Hanson Lake0.9 miles away
- Vicks Lake0.9 miles away
- Velvet Lake1.8 miles away
- Hoist Lake1.9 miles away
- Bass Lake T37n R09e S301.9 miles away
Where this comes from
- Size, depth and lake typeWisconsin DNR lake classifications, checked Oct 23, 2026
- OutlineWisconsin DNR 24K hydrography, checked Oct 23, 2026
- Regulations linkWisconsin DNR fishing regulations (linked, not restated), checked Oct 23, 2026
- Boat landingsWisconsin DNR public boat access sites, checked Oct 23, 2026
- Water clarityWisconsin DNR water monitoring, via the Water Quality Portal, checked Oct 23, 2026
- Typical-year temperatureU.S. Geological Survey lake temperature model (modeled estimate), checked Oct 23, 2026
- VHS statusWisconsin DNR VHS status by watershed, checked Oct 24, 2026
- Depth map linkWisconsin DNR lake maps list, checked Oct 24, 2026
See data sources for what each source covers, and about for how the numbers are matched to lakes.
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