Dunn Lake
Washburn County, Wisconsin181 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Dunn Lake. Here is what has been measured.
- Purple Loosestrife
- 39 ft max depth
- Public access
- Limited data
Dunn Lake in Washburn County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 14.2 ft visibility. Maximum depth: 39 ft. Surface area: 181 acres.
Wisconsin DNR rates Panfish as abundant on Dunn Lake. DNR survey details →
Dunn Lake is a 181-acre lake in Washburn County, Wisconsin with a maximum depth of 39 feet. Overall water quality is declining over recent sampling years. The lake supports 4 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 2022-08-17. Methodology: how these readings are compared.
Dunn Lake covers about 180 acres in Washburn County. It has one public boat landing. If you are planning to stay, you can search lake houses and cabins around Dunn Lake on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.
What Dunn Lake is good for
From access and monitoring records, not editorial picks.
- Clear water14.2 ft of visibility
- Boat launch1 documented ramp
- Fishing4 species recorded
- Deep water39 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Dunn 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 Dunn Lake
These are the measurements Wisconsin DNR publishes for Dunn Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 14.2 ft. TSI 39.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 14.2ft | 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. | 39 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Dunn Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR rates Panfish as abundant on Dunn Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Dunn Lake’s water-quality measurements separately, and the water-quality trend over 2 years of monitoring is declining. 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. 2 stations on file (most recent sample 2022).
Fish Species (DNR-rated)
Lake Details
Max depth
39 ft
Surface area
181 acres
Public access
Yes
Listed by Wisconsin DNR
Lake Size & Watershed
Watershed (drainage) area
1 sq mi
HydroLAKES / HydroSHEDS
Shoreline
3.1 mi
HydroLAKES / HydroSHEDS
Elevation
1,007 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Dunn 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 Dunn Lake
Compare lakeside cabins, hotels, and vacation rentals near Dunn Lake in Washburn 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 Dunn Lake
Prices for Oct 16–18, 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 Dunn Lake’s readings
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Fish Species
Click a species to see every lake where it is documented.
Fishing Dunn 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 (2021–2022). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening2 years
Nearby Lakes in Washburn County
Frequently asked questions about Dunn Lake
Where is Dunn Lake?
- Dunn Lake is a lake in Washburn County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Dunn Lake?
- Dunn Lake in Washburn County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 14.2 ft visibility. Maximum depth: 39 ft. Surface area: 181 acres.
Is Dunn Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Dunn Lake?
- Dunn Lake has a maximum depth of 39 feet. The lake covers 181 acres.
What fish are in Dunn Lake?
- Fish species found in Dunn Lake include Panfish, Largemouth Bass, Northern Pike, Walleye. Dunn Lake is located in Washburn County, Wisconsin.
What did the DNR fisheries survey find at Dunn Lake?
- Wisconsin DNR rates Panfish as abundant on Dunn Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Dunn Lake’s water-quality measurements separately, and the water-quality trend over 2 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Dunn Lake?
- Dunn Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Dunn Lake. Public access is listed as yes.
Can I fish at Dunn Lake?
- Dunn 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 Dunn Lake across LakeQuality
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Where this data comes from
6 measurements from 2 monitoring stations, 2021–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX6 samples · 2021–2022
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
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