Wilke Lake is a lake in Manitowoc County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.

How deep is Wilke Lake?

Wilke Lake has a maximum depth of 21 feet. The lake covers 93 acres.

What fish are in Wilke Lake?

Fish species found in Wilke Lake include Musky, Panfish, Largemouth Bass, Northern Pike, Walleye. Wilke Lake is located in Manitowoc County, Wisconsin.

Are there boat ramps on Wilke Lake?

Wilke Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Wilke Lake. Public access is listed as yes.

Can I fish at Wilke Lake?

Wilke Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Wisconsin's fish and wildlife agency, so check its current regulations before you go.

Wilke Lake

Manitowoc County, Wisconsin93 acresView map Directions

Wisconsin DNR publishes the water-quality measurements for Wilke Lake. Here is what has been measured.

Clarity

7 ft

Typical for Wisconsin

Secchi · sampled 2026

Phosphorus

17.1 µg/L

Typical for Wisconsin

Measured by Wisconsin DNR

Max depth

21 ft

Bathymetric survey

Area

93 acres

Surface area

Type

Mesotrophic

Trophic class

Trend

Improving

6 years of samples

Mesotrophic
Curly-Leaf Pondweed
21 ft max depth
Public access

See the measurements Directions Where to stay

Wilke Lake in Manitowoc County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 7 ft visibility. Phosphorus: 17.1 µg/L. Maximum depth: 21 ft. Surface area: 93 acres.

Wisconsin DNR rates Panfish as abundant on Wilke Lake. DNR survey details →

Loading map…

Wilke Lake is a 93-acre mesotrophic lake in Manitowoc County, Wisconsin with a maximum depth of 21 feet. Overall water quality is improving over recent sampling years. The lake supports 5 documented fish species including Musky, Panfish, and Largemouth Bass. Public access is available with 1 public boat landing. Compared to the 15 other monitored lakes in Manitowoc County, Wilke Lake ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-04-13. Methodology: how these readings are compared.

Wilke Lake covers about 93 acres in Manitowoc County. It has one public boat landing. If you are planning to stay, you can search lake houses and cabins around Wilke Lake on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.

What Wilke Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp
Fishing5 species recorded

Swimming conditions

Readings only

Low algae

Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Wilke Lake is safe to swim in today is a call for the Wisconsin Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Compare swimming lakes near Oshkosh →

Get alerts for Wilke Lake →

Water quality measurements for Wilke Lake

These are the measurements Wisconsin DNR publishes for Wilke Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Moderate clarity, visible to about 7 ft. Phosphorus 17.1 µg/L. TSI 47.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	7ft	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	17.1µg/L	Good GoodFairPoor
Chlorophyll-a (algae)		No reading The green pigment in algae — a direct measure of how much algae is in the water.
Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.	47	Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Wilke Lake

Answers come straight from the public measurements and survey records on this page.

DNR fisheries survey

Wisconsin DNR rates Panfish as abundant on Wilke Lake.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Wilke Lake’s water-quality measurements separately, and the water-quality trend over 6 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 2003. 1 station on file (most recent sample 2026).

DNR Assessment

Good · Deep Seepage lake

Trophic State Index 45 (mesotrophic) · 5-year average

Fish Species (DNR-rated)

Panfish(Abundant)Largemouth Bass(Common)Musky(Present)Northern Pike(Present)Walleye(Present)

Contour map (PDF) →Full WI DNR LakePage →Water quality stations →

DNR Reports & Resources

Wisconsin DNR Fisheries scientists publish multi-year survey reports for Wilke Lake covering fish populations, stocking, water quality, and management. 1 report on file.

These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).

2018
Wilke Lake comprehensive survey 2018
Comprehensive Survey · WI DNR · 2018 (PDF)

Lake Details

Max depth

21 ft

Surface area

93 acres

Public access

Yes

Listed by Wisconsin DNR

Lake Size & Watershed

Watershed (drainage) area

1 sq mi

HydroLAKES / HydroSHEDS

Shoreline

1.6 mi

HydroLAKES / HydroSHEDS

Elevation

896 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).

Recreation & Access

Boat Landings

Yes

Public Access

Wilke LakePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Wilke Lake

Compare lakeside cabins, hotels, and vacation rentals near Wilke Lake in Manitowoc County, Wisconsin — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Wilke Lake

Prices for Oct 9–11, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Wisconsin’s top lakes →

Follow Wilke Lake’s readings

Email me when new measurements post for this lake. Updates stay free.

Or email

Fish Species

Musky Panfish Largemouth Bass Northern Pike Walleye

Click a species to see every lake where it is documented.

Fishing Wilke Lake

Invasive & Introduced Species

Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.

Curly-Leaf PondweedEurasian Water-Milfoil

Water Quality Trend: Improving

Based on 6 years of monitoring (2020–2025).

Water clarity
Improving
6 years
Phosphorus
Improving
-0.55 µg/L/yr6 years

See year-by-year chart →

Regulated Pollution Sources Nearby

1 EPA-permitted facility operate within about 5 miles of Wilke Lake under Clean Water Act (NPDES) discharge permits.

Henning'S Cheese Inc
Schleswig, Town Of · 0.4 mi away · NPDES WI0070572

Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.

Nearby Lakes in Manitowoc County

Shoe Lake7 ft clear · Eutrophic—View →Cedar Lake10.2 ft clear · Mesotrophic—View →Spring Lake8 ft clear · Mesotrophic—View →Horseshoe Lake6.5 ft clear · Eutrophic—View →Little Pigeon Lake—View →Pigeon Lake9.3 ft clear · Mesotrophic—View →

Frequently asked questions about Wilke Lake

Where is Wilke Lake?: Wilke Lake is a lake in Manitowoc County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Wilke Lake?: Wilke Lake in Manitowoc County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 7 ft visibility. Phosphorus: 17.1 µg/L. Maximum depth: 21 ft. Surface area: 93 acres.
Is Wilke Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Wilke Lake?: Wilke Lake has a maximum depth of 21 feet. The lake covers 93 acres.
What fish are in Wilke Lake?: Fish species found in Wilke Lake include Musky, Panfish, Largemouth Bass, Northern Pike, Walleye. Wilke Lake is located in Manitowoc County, Wisconsin.
What did the DNR fisheries survey find at Wilke Lake?: Wisconsin DNR rates Panfish as abundant on Wilke Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Wilke Lake’s water-quality measurements separately, and the water-quality trend over 6 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Wilke Lake?: Wilke Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Wilke Lake. Public access is listed as yes.
Can I fish at Wilke Lake?: Wilke Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Wisconsin's fish and wildlife agency, so check its current regulations before you go.

Explore Wilke Lake across LakeQuality

Wisconsin Fishing Guide

Fish species and the cleanest lakes across Wisconsin

Manitowoc County Fishing

Fish species and best lakes in Manitowoc County

Lake Fishing Forecast

Species activity outlook by water temperature and season

Wisconsin Lake Trips

Where to stay at Wisconsin's top lakes, each with its readings

Sheboygan-Manitowoc

Lakes in the Sheboygan-Manitowoc, ranked by water quality

The State of Wisconsin's Lakes

Wisconsin's cleanest lakes, ranked on agency measurements

More lakes in Wisconsin

Clearest lakes in Wisconsin

Ranked by Secchi water clarity

All Wisconsin lakes

Every Wisconsin lake with its Wisconsin DNR measurements

Lake water quality by country

Official ratings and named-lake measurements

State Parks Near Wilke Lake

High Cliff State Park

State Park · 21 mi

Kohler-Andrae State Park

State Park · 24.2 mi

Other Lakes in Wisconsin

Elkhart Lake

Sheboygan County · 10.5 ft

Little Elkhart Lake

Sheboygan County · 10 ft

Crystal Lake

Sheboygan County · 20 ft

Wolf Lake

Fond du Lac County · 5 ft

Lake Ellen

Sheboygan County · 9 ft

Long Lake

Fond du Lac County · 9.1 ft

Mesotrophic Lakes in Wisconsin

Elkhart Lake Little Elkhart Lake Lake Ellen Long Lake

Where this data comes from

51 measurements from 2 monitoring stations, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

Wisconsin Department of Natural ResourcesWIDNR_WQX51 samples · 2020–2026

Analytical methods

Phosphorus by Colorimetry
Total Phosphorus After Block Digestion
2130 B ~ Nephelometric Method

Monitoring station identifiers (2)

EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.

Other records on this page

Regulated discharger data from EPA ECHO (ICIS-NPDES)

Lake size & watershed from HydroLAKES (HydroSHEDS)

Fish and recreation data from Wisconsin DNR Lakes

Named boat-access points from the USGS National Boat Ramps inventory