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LakeQuality

Deer Lake

B
Grade B — Good
Good · #5 of 30 lakes in the county · 13 ft clear · Mesotrophic · 153 acres · from A
Mesotrophic

Deer Lake in Burnett County, Wisconsin has a water quality grade of B (Good). Water clarity: 13 ft visibility. Phosphorus: 15.4 µg/L. Maximum depth: 23 ft. Surface area: 153 acres.

Clarity
13 ft
Typical in August
75°F
Max depth
23 ft
Area
153 acres
Type
Mesotrophic
Trend
Stable
Public access
Yes

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Deer Lake is a 153-acre mesotrophic lake in Burnett County, Wisconsin with a maximum depth of 23 feet. Water quality is graded B based on 1 sampling years through 2026. The lake supports 3 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, Deer Lake ranks #5 for water quality.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-07-05. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Low algae

Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Good for swimming, clear water with low algae levels

Compare the safest swimming lakes near Hayward

Get alerts for Deer Lake

Water Quality Grade: B (Good)

Good clarity, visible to about 13 ft. Phosphorus level: 15.4 µg/L. Trophic State Index: 42.

MetricValueGrade
Water Clarity (Secchi Depth)13 ftNot graded
Phosphorus15.4 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)42Mesotrophic

Moderate nutrients, good water quality

Where to stay near Deer Lake

Compare lakeside cabins, hotels, and vacation rentals near Deer 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 Deer Lake

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 →

Water Temperature

Deer Lake typically sits around 75°F at the surface in August. Summer average is about 75°F. Usually warmest in Jul (about 77°F) and coldest in Apr (about 50°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
50°
May
63°
Jun
72°
Jul
77°
Aug
75°
Sep
70°
Oct
60°
Nov
Dec

Typical surface water temperature by month, from 140 field readings (20242026) via the EPA Water Quality Portal. See the full Deer Lake water temperature breakdown →

Lake Details

CharacteristicValue
Maximum Depth23 ft
Surface Area153 acres
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
4 sq mi
Shoreline
2.9 mi
Elevation
948 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Deer LakePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Fish Species

Click a species to see every graded lake where it is documented.

Fishing Deer 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

Based on 7 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Stable+0.205 m/yr7
Phosphorus Stable-0.18 µg/L/yr6
See year-by-year chart →

County Ranking

Ranked #5 of 30 lakes in Burnett County

Nearby Lakes in Burnett County

Frequently asked questions about Deer Lake

Where is Deer Lake?

Deer Lake is a lake in Burnett County, Wisconsin. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.

What is the water quality grade for Deer Lake?

Deer Lake in Burnett County, Wisconsin has a water quality grade of B (Good). Water clarity: 13 ft visibility. Phosphorus: 15.4 µg/L. Maximum depth: 23 ft. Surface area: 153 acres.

Is Deer Lake safe to swim in?

Good for swimming, clear water with low algae levels. Deer Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.

What is the water temperature of Deer Lake?

Deer Lake typically sits around 75°F at the surface in August, from 140 EPA Water Quality Portal field readings (2024–2026). That is a typical value for the month, not a live reading.

How deep is Deer Lake?

Deer Lake has a maximum depth of 23 feet. The lake covers 153 acres.

What fish are in Deer Lake?

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

Are there boat ramps on Deer Lake?

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

Where this data comes from

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

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX166 samples · 2020–2026

Analytical methods

  • Phosphorus by Colorimetry
Monitoring station identifiers (1)

Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated 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