Biron Flowage
Portage County, Wisconsin · WBIC 1396900
The DNR has advice about eating fish from this water. How much is safe depends on the fish and on who is eating it. Look it up on the DNR site
This lake has fishing rules that differ from the standard ones for its area. Check the official rules before you fish. Official regulations
Size
2,126 acres
Max depth
23 ft
DNR lake type
Complex, Riverine
A river-like water type, with flow instead of a still basin. 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 1976), so the shape is approximate and a landing can sit a little off the shore. Open the DNR lake map.
Water clarity (satellite estimate)
- Summer 20163.8 ft (6,149 satellite pixels)
- Summer 20174 ft (3,169 satellite pixels)
No one has measured this lake's clarity in the monitoring data. These are estimates from satellite images of two summers only, so they may not match the lake today.
Secchi depth is how far down a white disk stays visible. A bigger number means clearer water. The estimate tops out at 16 feet.
Landsat satellite estimates published by the Wisconsin DNR (summers 2016 and 2017), averaged over the lake's outline. Informational use only.
Water temperature
A typical year Modeled estimate
- Ice goes outabout Apr 8 (Apr 1 to Apr 21)
- Surface reaches 48°Fabout May 5 (Apr 24 to May 11)
- Surface reaches 64°Fabout May 25 (May 18 to May 31)
- June surface74°F, usually 73 to 76°F
- July surface80°F, usually 79 to 81°F
- August surface76°F, usually 74 to 78°F
Forms a warm top layer around May 11, lasting about 165 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.
Stocking history
- Muskellungelast stocked 2023 (large fingerling and yearling); stocked in 7 years since 2010
Stocking shows what was added to the lake, not what is in it now.
Wisconsin DNR annual fish stocking summary. Checked Oct 23, 2026.
Boat landings
- 1Hwy U Boat Ramp (listed under Wood County)Boat ramp · Concrete Plank surface · Accessible features · County
Directions
Wisconsin DNR public boat access sites. Checked Oct 23, 2026.
More lakes in Portage County
- Wazeecha Lake5.9 miles away
- Springville Pond8.1 miles away
- Wisconsin R Fl C3-Stevens Pt8.1 miles away
- McDill Pond8.6 miles away
- Lake Clar-Re8.7 miles away
- First Lake9.0 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
- Stocking historyWisconsin DNR annual fish stocking summary, 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
- Typical-year temperatureU.S. Geological Survey lake temperature model (modeled estimate), checked Oct 23, 2026
- Fish consumption advice flagWisconsin DNR advisory areas (flag and link only), checked Oct 24, 2026
- VHS statusWisconsin DNR VHS status by watershed, checked Oct 24, 2026
- Satellite clarity estimateLandsat summer clarity estimates published by the Wisconsin DNR (2016, 2017), 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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