Little Muskego Lake
Waukesha County, Wisconsin · WBIC 762700
Size
506 acres
Max depth
65 ft
DNR lake type
Complex, Warm, dark water color
Water clarity
15.5 ft
Clear, measured Sep 2023
A warm-water lake type: the DNR groups it with lakes that warm up 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 1994), so the shape is approximate and a landing can sit a little off the shore. Open the DNR lake map.
Water clarity
15.5 ft Secchi depthClear
Last measured Sep 14, 2023. 239 readings on record, 1988 to 2023.
Typical summer clarity (June to September): 12.4 ft, clear, from 12 readings (2012 to 2023).
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 LITTLE MUSKEGO LAKE - DEEP HOLE. Checked Oct 23, 2026.
Water temperature
A typical year Modeled estimate
- Ice goes outabout Apr 6 (Mar 25 to Apr 10)
- Surface reaches 48°Fabout Apr 26 (Apr 16 to May 2)
- Surface reaches 64°Fabout May 25 (May 16 to May 29)
- June surface75°F, usually 74 to 77°F
- July surface83°F, usually 80 to 84°F
- August surface79°F, usually 76 to 81°F
Forms a warm top layer around May 23, lasting about 140 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 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
- Walleyelast stocked 2024 (large fingerling and small fingerling); stocked in 8 years since 2010
- Northern Pikelast stocked 2019 (large 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
- 1Idle Isle Park Boat RampBoat ramp · Concrete surface · City
Directions - 2Pleasant View Drive Boat Ramp (Lake Access #9)Boat ramp · Concrete surface · City
Directions - 3Oak Court Public AccessBoat ramp · City
Directions - 4Little Muskego Public Access (Hillview Drive)Boat ramp · Concrete surface · City
Directions
Wisconsin DNR public boat access sites. Checked Oct 23, 2026.
Fishing from shore
- LITTLE MUSKEGO FISHING PIERDirections · DNR details
Wisconsin DNR shore fishing sites. Checked Oct 24, 2026.
More lakes in Waukesha County
- Bass Bay Lake1.8 miles away
- Big Muskego Lake3.1 miles away
- Lower Kelly Lake3.8 miles away
- Upper Kelly Lake4.1 miles away
- Big Bend Pond4.2 miles away
- Lake Denoon4.9 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
- 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
- Shore fishing sitesWisconsin DNR shore fishing sites, 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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