Gull Lake
Washburn County, Wisconsin518 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Gull Lake. Here is what has been measured.
- 19 ft max depth
- Public access
- Limited data
Gull Lake in Washburn County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 11 ft visibility. Phosphorus: 11.1 µg/L. Maximum depth: 19 ft. Surface area: 518 acres.
Wisconsin DNR rates Panfish as abundant on Gull Lake. DNR survey details →
Gull Lake is a 518-acre lake in Washburn County, Wisconsin with a maximum depth of 19 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 2 public boat landings.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-25. Methodology: how these readings are compared.
Gull Lake covers about 520 acres in Washburn County. It has 2 public boat landings, so a lakefront rental is not the only way to get a boat on the water. If you are planning to stay, you can search lake houses and cabins around Gull Lake on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.
What Gull Lake is good for
From access and monitoring records, not editorial picks.
- Clear water11 ft of visibility
- Boat launch2 documented ramps
- Fishing3 species recorded
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Gull 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 Gull Lake
These are the measurements Wisconsin DNR publishes for Gull 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 11 ft. Phosphorus 11.1 µg/L. TSI 41.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 11ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 11.1µg/L | Measured, not scored 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. | 41 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Gull Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR rates Panfish as abundant on Gull Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Gull 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 2024).
Fish Species (DNR-rated)
Lake Details
Max depth
19 ft
Surface area
518 acres
Public access
Yes
Listed by Wisconsin DNR
Lake Size & Watershed
Watershed (drainage) area
7 sq mi
HydroLAKES / HydroSHEDS
Shoreline
5 mi
HydroLAKES / HydroSHEDS
Elevation
1,086 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Gull LakePublic
- Gull 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 Gull Lake
Compare lakeside cabins, hotels, and vacation rentals near Gull 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 Gull 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 Gull Lake’s readings
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Fish Species
Click a species to see every lake where it is documented.
Fishing Gull 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 (2022–2026). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving2 years
Nearby Lakes in Washburn County
Frequently asked questions about Gull Lake
Where is Gull Lake?
- Gull 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 Gull Lake?
- Gull Lake in Washburn County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 11 ft visibility. Phosphorus: 11.1 µg/L. Maximum depth: 19 ft. Surface area: 518 acres.
Is Gull Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Gull Lake?
- Gull Lake has a maximum depth of 19 feet. The lake covers 518 acres.
What fish are in Gull Lake?
- Fish species found in Gull Lake include Panfish, Largemouth Bass, Northern Pike. Gull Lake is located in Washburn County, Wisconsin.
What did the DNR fisheries survey find at Gull Lake?
- Wisconsin DNR rates Panfish as abundant on Gull Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Gull 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 Gull Lake?
- Gull Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Gull Lake, Gull Lake. Public access is listed as yes.
Can I fish at Gull Lake?
- Gull Lake has 2 documented boat landings 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 Gull Lake across LakeQuality
Depth, room, public access, and the state wake-sport rules
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Fish species and best lakes in Washburn County
Species activity outlook by water temperature and season
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Where to stay at Wisconsin's top lakes, each with its readings
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Wisconsin's cleanest lakes, ranked on agency measurements
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Mesotrophic Lakes in Wisconsin
Where this data comes from
10 measurements from 1 monitoring station, 2022–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX10 samples · 2022–2026
Analytical methods
- Phosphorus by Colorimetry
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