White Ash Lake, North
Polk County, Wisconsin · WBIC 2628800
Size
119 acres
Max depth
9 ft
DNR lake type
Simple, Warm, dark water color
Water clarity
2 ft
Low, measured Sep 2026
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 1978), so the shape is approximate and a landing can sit a little off the shore. Open the DNR lake map.
Water clarity
2 ft Secchi depthLow
Last measured Sep 11, 2026. 142 readings on record, 1993 to 2026.
Typical summer clarity (June to September): 6 ft, moderate, from 85 readings (2012 to 2026).
Measured at the monitoring station named “NORTH WHITE ASH LAKE - DEEP HOLE”.
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 NORTH WHITE ASH LAKE - DEEP HOLE. Checked Oct 23, 2026.
Water temperature
77°F surface, measured Sep 7, 2026
Measured near the surface (0 m down). A single reading, not a daily value.
A typical year Modeled estimate
- Ice goes outabout Apr 15 (Apr 7 to Apr 25)
- Surface reaches 48°Fabout Apr 18 (Apr 16 to Apr 30)
- Surface reaches 64°Fabout May 23 (May 10 to May 26)
- June surface72°F, usually 70 to 73°F
- July surface78°F, usually 76 to 79°F
- August surface73°F, usually 72 to 76°F
Mixes regularly through the summer instead of forming a warm top layer.
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.
Boat landings
- 1White Ash Lake AccessBoat ramp · Concrete surface · Township
Directions
Wisconsin DNR public boat access sites. Checked Oct 23, 2026.
More lakes in Polk County
- White Ash Lake1.0 miles away
- Square Lake1.8 miles away
- Little Blake Lake2.0 miles away
- Big Blake Lake2.6 miles away
- Clara Lake2.6 miles away
- Beautiful Lake2.9 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
- 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
- Measured temperatureWisconsin 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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