Plainfield Lake

Waushara County, Wisconsin · WBIC 1012500

Size

31 acres

Max depth

5 ft

DNR lake type

Simple, Harsh

Water clarity

6.8 ft

Moderate, measured Sep 2020

A lake type the DNR marks as having harsh conditions for fish. This describes the lake type in general, not this lake in particular.

Outline

Drawn from the DNR's 24K hydrography (surveyed 1983), so the shape is approximate and a landing can sit a little off the shore. Open the DNR lake map.

Water clarity

6.8 ft Secchi depthModerateOlder reading

Last measured Sep 9, 2020. 28 readings on record, 2018 to 2020.

Typical summer clarity (June to September): 7.4 ft, moderate, from 16 readings (2018 to 2020).

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 Plainfield Lake - Deep Hole. Checked Oct 23, 2026.

Water temperature

A typical year Modeled estimate

  • Ice goes outabout Apr 11 (Apr 3 to Apr 20)
  • Surface reaches 48°Fabout Apr 20 (Apr 14 to Apr 26)
  • Surface reaches 64°Fabout May 12 (May 8 to May 23)
  • June surface74°F, usually 72 to 75°F
  • July surface79°F, usually 78 to 80°F
  • August surface75°F, usually 73 to 77°F

Forms a warm top layer around Apr 17, lasting about 187 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

Loading today's forecast…

Forecast: National Weather Service (no endorsement implied). Sunrise, sunset and moon phase are calculated. The moon phase can be a day off.

Water level and flow

Loading current readings…

U.S. Geological Survey gauges at or beside this lake. Readings are provisional and fetched when you open the page.

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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
  • 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
  • Water level and flowU.S. Geological Survey gauges (readings are live), 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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