Lannon County Park Pond
Waukesha County, Wisconsin · WBIC 740800
This lake has fishing rules that differ from the standard ones for its area. Check the official rules before you fish. Official regulations
Size
15 acres
Max depth
50 ft
DNR lake type
Simple, Two Story
Water clarity
18.7 ft
Clear, measured Jul 2001
A deep lake type that can hold a cold layer below the warm surface in summer. This describes the lake type in general, not this lake in particular.
Outline
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
18.7 ft Secchi depthClearOlder reading
Last measured Jul 9, 2001. 1 reading on record, 2001.
Only one reading is on record.
Nothing has been measured in the last 5 years, so this may not match the lake today.
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 LANNON COUNTY PARK POND - LANNON COUNTY PARK POND. Checked Oct 23, 2026.
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
- Rainbow Troutlast stocked 2025 (yearling); stocked in 15 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.
Fishing from shore
- MENOMONEE PARK FISHING PIERDirections · DNR details
Wisconsin DNR shore fishing sites. Checked Oct 24, 2026.
More lakes in Waukesha County
- Lake Five5.8 miles away
- Merton Millpond6.6 miles away
- Lake Keesus7.3 miles away
- Monches Millpond8.8 miles away
- Pewaukee Lake9.0 miles away
- Funks Millpond9.2 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
- Water clarityWisconsin DNR water monitoring, via the Water Quality Portal, 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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