Sheas Lake
Kewaunee County, Wisconsin32 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Sheas Lake. Here is what has been measured.
- Impaired · Nutrients (phosphorus, nitrogen)
- Curly-Leaf Pondweed
- 24 ft max depth
- Public access
- Limited data
Sheas Lake in Kewaunee County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 5.4 ft visibility. Maximum depth: 24 ft. Surface area: 32 acres.
Wisconsin DNR lists Panfish as common on Sheas Lake. DNR survey details →
Sheas Lake is a 32-acre lake in Kewaunee County, Wisconsin with a maximum depth of 24 feet. Overall water quality is improving over recent sampling years. The lake supports 3 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2023-08-30. Methodology: how these readings are compared.
Sheas Lake covers about 32 acres in Kewaunee County. It has one public boat landing. For a place on the water, look through cabin and lake-house rentals near Sheas Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
What Sheas Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Fishing3 species recorded
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Sheas Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Sheas 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.
Water quality measurements for Sheas Lake
These are the measurements Wisconsin DNR publishes for Sheas Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 5.4 ft. TSI 53.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 5.4ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| 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. | 53 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Sheas Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR lists Panfish as common on Sheas Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Sheas Lake’s water-quality measurements separately, and the water-quality trend over 2 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. 1 station on file (most recent sample 2023).
Fish Species (DNR-rated)
Lake Details
Max depth
24 ft
Surface area
32 acres
Public access
Yes
Listed by Wisconsin DNR
Lake Size & Watershed
Watershed (drainage) area
1 sq mi
HydroLAKES / HydroSHEDS
Shoreline
0.9 mi
HydroLAKES / HydroSHEDS
Elevation
741 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Shea's Lake County ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Sheas Lake
Compare lakeside cabins, hotels, and vacation rentals near Sheas Lake in Kewaunee 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 Sheas 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 Sheas Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fish Species
Click a species to see every lake where it is documented.
Fishing Sheas 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.
Water quality readings over time
2 seasons of samples on record (2023–2026). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving2 years
EPA Impairment Status
Sheas Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Aquatic life, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit WI10000326 · Official waterbody report
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Sheas Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Deer Run Dairy LlcFranklin, Town Of · 2.4 mi away · NPDES WI0063789Recent violation
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 Kewaunee County
Frequently asked questions about Sheas Lake
Where is Sheas Lake?
- Sheas Lake is a lake in Kewaunee County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Sheas Lake?
- Sheas Lake in Kewaunee County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 5.4 ft visibility. Maximum depth: 24 ft. Surface area: 32 acres.
Is Sheas Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Sheas Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Sheas Lake?
- Sheas Lake has a maximum depth of 24 feet. The lake covers 32 acres.
What fish are in Sheas Lake?
- Fish species found in Sheas Lake include Panfish, Largemouth Bass, Northern Pike. Sheas Lake is located in Kewaunee County, Wisconsin.
What did the DNR fisheries survey find at Sheas Lake?
- Wisconsin DNR lists Panfish as common on Sheas Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Sheas Lake’s water-quality measurements separately, and the water-quality trend over 2 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Sheas Lake?
- Sheas Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Shea's Lake County Park. Public access is listed as yes.
Can I fish at Sheas Lake?
- Sheas 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 Sheas Lake across LakeQuality
Fish species and the cleanest lakes across Wisconsin
Fish species and best lakes in Kewaunee County
Species activity outlook by water temperature and season
Top lakes and where to stay in the Door County area
Where to stay at Wisconsin's top lakes, each with its readings
Wisconsin's cleanest lakes, ranked on agency measurements
More lakes in Wisconsin
State Parks Near Sheas Lake
Other Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Where this data comes from
12 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX12 samples · 2023
Monitoring station identifiers (1)
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
Impairment status from EPA ATTAINS 303(d) database
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