Ludden Lake
Iowa County, Wisconsin · WBIC 930700
This lake has fishing rules that differ from the standard ones for its area. Check the official rules before you fish. Official regulations
Size
58 acres
Max depth
14 ft
DNR lake type
Complex, Riverine
Water clarity
1.5 ft
Low, measured May 2025
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 1980), so the shape is approximate and a landing can sit a little off the shore. Open the DNR lake map.
Water clarity
1.5 ft Secchi depthLow
Last measured May 22, 2025. 126 readings on record, 1999 to 2025.
Typical summer clarity (June to September): 1.8 ft, low, from 41 readings (2012 to 2024).
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 LUDDEN LAKE - DEEP HOLE. Checked Oct 23, 2026.
Water temperature
Last measured May 22, 2025, too long ago to show as the current temperature.
A typical year Modeled estimate
- Ice goes outabout Apr 6 (Mar 28 to Apr 13)
- Surface reaches 48°Fabout Apr 12 (Apr 3 to Apr 23)
- Surface reaches 64°Fabout Apr 29 (Apr 19 to May 5)
- June surface80°F, usually 79 to 82°F
- July surface86°F, usually 84 to 88°F
- August surface80°F, usually 77 to 82°F
Forms a warm top layer around May 5, lasting about 128 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.
Measured: Wisconsin DNR via the Water Quality Portal (checked Oct 23, 2026). 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
- Walleyelast stocked 2019 (fry and small fingerling); 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
- 1Ludden Lake AccessBoat ramp · Concrete surface · Township
Directions
Wisconsin DNR public boat access sites. Checked Oct 23, 2026.
More lakes in Iowa County
- Cox Hollow Lake10 miles away
- Blackhawk Lake11 miles away
- Twin Valley Lake12 miles away
- Halverson Lake13 miles away
- Birch Lake17 miles away
- Taliesin Lake19 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
- 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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