Napowan Lake
Waushara County, Wisconsin52 acresView mapDirections
No nutrient or algae sampling on record from Wisconsin DNR for this lake.
- Curly-Leaf Pondweed
- 18 ft max depth
- Public access
- Limited data
Napowan Lake in Waushara County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 18 ft. Surface area: 52 acres.
Napowan Lake is a 52-acre lake in Waushara County, Wisconsin with a maximum depth of 18 feet. Water clarity is declining 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 2026-04-20. Methodology: how these readings are compared.
Napowan Lake covers about 52 acres in Waushara County. It has one public boat landing. For a place on the water, look through cabin and lake-house rentals near Napowan Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
What Napowan Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Fishing3 species recorded
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Napowan 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 Napowan Lake
These are the measurements Wisconsin DNR publishes for Napowan Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
Ask about Napowan Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
18 ft
Surface area
52 acres
Public access
Yes
Listed by Wisconsin DNR
Lake Size & Watershed
Watershed (drainage) area
1 sq mi
HydroLAKES / HydroSHEDS
Shoreline
1.4 mi
HydroLAKES / HydroSHEDS
Elevation
869 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Lake NapowanPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Napowan Lake
Compare lakeside cabins, hotels, and vacation rentals near Napowan Lake in Waushara 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 Napowan Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Napowan 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 Trend: Stable
Based on 7 years of monitoring (2020–2026).
Water clarity
Worsening7 years
Phosphorus
Improving-2.3 µg/L/yr2 years
Nearby Lakes in Waushara County
Frequently asked questions about Napowan Lake
Where is Napowan Lake?
- Napowan Lake is a lake in Waushara County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Napowan Lake?
- Napowan Lake in Waushara County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 18 ft. Surface area: 52 acres.
Is Napowan Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Napowan Lake?
- Napowan Lake has a maximum depth of 18 feet. The lake covers 52 acres.
What fish are in Napowan Lake?
- Fish species found in Napowan Lake include Panfish, Largemouth Bass, Northern Pike. Napowan Lake is located in Waushara County, Wisconsin.
Are there boat ramps on Napowan Lake?
- Napowan Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Napowan. Public access is listed as yes.
Can I fish at Napowan Lake?
- Napowan 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 Napowan Lake across LakeQuality
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Where this data comes from
4 measurements from 1 monitoring station, 2025–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX4 samples · 2025–2026
Analytical methods
- Total Phosphorus After Block Digestion
- 2130 B ~ Nephelometric Method
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
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