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

What is the water temperature of Gull Lake?

Gull Lake typically sits around 62°F at the surface in October, from 14 EPA Water Quality Portal field readings (2025–2025). That is a typical value for the month, not a live reading.

How deep is Gull Lake?

Gull Lake has a maximum depth of 19 feet. The lake covers 178 acres.

What fish are in Gull Lake?

Fish species found in Gull Lake include Panfish, Largemouth Bass, Northern Pike, Walleye. Gull Lake is located in Burnett County, Wisconsin.

Are there boat ramps on Gull Lake?

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

Can I fish at Gull Lake?

Gull 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.

Gull Lake

Burnett County, Wisconsin178 acresView map Directions

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

Clarity

8 ft

Typical for Wisconsin

Secchi · sampled 2025

Phosphorus

21.4 µg/L

Typical for Wisconsin

Measured by Wisconsin DNR

Water temp

~62°F

Typical for Oct · EPA WQP

Max depth

19 ft

Bathymetric survey

Area

178 acres

Surface area

Type

Mesotrophic

Trophic class

Mesotrophic
19 ft max depth
Public access
Limited data

See the measurements Directions Where to stay

Gull Lake in Burnett County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 8 ft visibility. Phosphorus: 21.4 µg/L. Maximum depth: 19 ft. Surface area: 178 acres.

Wisconsin DNR lists Panfish as common on Gull Lake. DNR survey details →

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Gull Lake is a 178-acre mesotrophic lake in Burnett County, Wisconsin with a maximum depth of 19 feet. Overall water quality is improving 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. Compared to the 29 other monitored lakes in Burnett County, Gull Lake ranks #17 for water quality.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-10-04. Methodology: how these readings are compared.

What Gull Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp
Fishing4 species recorded

Swimming conditions

Readings only

Limited data

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 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.

Compare swimming lakes near Hayward →

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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.

Moderate clarity, visible to about 8 ft. Phosphorus 21.4 µg/L. TSI 48.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	8ft	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	21.4µg/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.	48	Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Gull Lake

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

Water Temperature

Gull Lake typically sits around 62°F at the surface in October. Summer average is about 72°F. Usually warmest in Jun (about 74°F) and coldest in Oct (about 62°F). These are typical values by month — not a live reading.

Jan

Feb

Mar

Apr

May

74°

Jun

70°

Jul

72°

Aug

64°

Sep

62°

Oct

Nov

Dec

Column height runs from this lake’s coldest month (62°F) to its warmest (74°F).

Typical surface water temperature by month, from 14 field readings (2025–2025) via the EPA Water Quality Portal. See the full Gull Lake water temperature breakdown →

DNR fisheries survey

Wisconsin DNR lists Panfish as common 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 7 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 1992. 1 station on file (most recent sample 2025).

DNR Assessment

Excellent · Shallow Lowland lake

Trophic State Index 46 (mesotrophic) · 5-year average

Fish Species (DNR-rated)

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

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

Lake Details

Max depth

19 ft

Surface area

178 acres

Public access

Yes

Listed by Wisconsin DNR

Recreation & Access

Boat Landings

Yes

Public Access

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 Burnett 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 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 Gull Lake’s readings

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Fish Species

Panfish Largemouth Bass Northern Pike Walleye

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.

Chinese Mystery Snail

Water Quality Trend: Improving

Based on 7 years of monitoring (2020–2026).

Water clarity
Stable
6 years
Phosphorus
Improving
-0.32 µg/L/yr7 years

See year-by-year chart →

Nearby Lakes in Burnett County

Falk Lake10 ft clear—View →Minnow Lake—View →Cranberry Lake8.8 ft clear · Mesotrophic—View →Minerva Lake10.5 ft clear · Mesotrophic—View →Love Lake11 ft clear—View →Crooked Lake10.5 ft clear—View →

Frequently asked questions about Gull Lake

Where is Gull Lake?: Gull Lake is a lake in Burnett 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 Burnett County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 8 ft visibility. Phosphorus: 21.4 µg/L. Maximum depth: 19 ft. Surface area: 178 acres.
Is Gull Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Gull Lake?: Gull Lake typically sits around 62°F at the surface in October, from 14 EPA Water Quality Portal field readings (2025–2025). That is a typical value for the month, not a live reading.
How deep is Gull Lake?: Gull Lake has a maximum depth of 19 feet. The lake covers 178 acres.
What fish are in Gull Lake?: Fish species found in Gull Lake include Panfish, Largemouth Bass, Northern Pike, Walleye. Gull Lake is located in Burnett County, Wisconsin.
What did the DNR fisheries survey find at Gull Lake?: Wisconsin DNR lists Panfish as common 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 7 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 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Gull Lake. Public access is listed as yes.
Can I fish at Gull Lake?: Gull 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.

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Mesotrophic Lakes in Wisconsin

Lower Mckenzie Lake Big Mckenzie Lake No Mans Lake Diamond Lake

Where this data comes from

29 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

Wisconsin Department of Natural ResourcesWIDNR_WQX29 samples · 2020–2025

Analytical methods

Phosphorus by Colorimetry

Monitoring station identifiers (1)

WIDNR_WQX-073078

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

Fish and recreation data from Wisconsin DNR Lakes

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