Krohns Lake
Kewaunee County, Wisconsin · WBIC 94700
The DNR lists this lake's watershed (Ahnapee River-Frontal Lake Michigan) as suspect or infected with VHS, a fish virus. The listing covers the watershed, not a test of this lake. About VHS
Size
21 acres
Max depth
38 ft
DNR lake type
Simple, Two Story
Water clarity
7 ft
Moderate, measured Oct 2025
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
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
7 ft Secchi depthModerate
Last measured Oct 18, 2025. 169 readings on record, 1994 to 2025.
Typical summer clarity (June to September): 7.2 ft, moderate, from 102 readings (2012 to 2025).
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 KROHNS LAKE - MIDDLE. Checked Oct 23, 2026.
Water temperature
A typical year Modeled estimate
- Ice goes outabout Mar 30 (Mar 19 to Apr 4)
- Surface reaches 48°Fabout Apr 15 (Apr 6 to Apr 22)
- Surface reaches 64°Fabout May 24 (May 18 to May 27)
- June surface70°F, usually 69 to 72°F
- July surface78°F, usually 76 to 79°F
- August surface77°F, usually 74 to 78°F
Forms a warm top layer around Apr 15, lasting about 183 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
- Brown Troutlast stocked 2025 (adult, large fingerling and small fingerling); stocked in 8 years since 2010
- Rainbow Troutlast stocked 2025 (adult, adult (broodstock-age-2yr) and large fingerling); stocked in 15 years since 2010
- Brook Troutlast stocked 2012 (large fingerling); stocked in 1 year 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
- 1Krohns Lake County AccessBoat ramp · Concrete surface · Accessible features · County
Directions
Wisconsin DNR public boat access sites. Checked Oct 23, 2026.
More lakes in Kewaunee County
- Silver Lake1.5 miles away
- East Alaska Lake2.6 miles away
- West Alaska Lake3.1 miles away
- Stump Pond8.9 miles away
- Shea Lake19 miles away
- Engledinger Lake20 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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