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LakeQuality

Browns Lake

B
Grade B — Good
Good · #2 of 4 lakes in the county · 6.2 ft clear · Mesotrophic · 397 acres
Mesotrophic

Browns Lake in Racine County, Wisconsin has a water quality grade of B (Good). Water clarity: 6.2 ft visibility. Phosphorus: 17 µg/L. Maximum depth: 44 ft. Surface area: 397 acres.

Wisconsin DNR rates Largemouth Bass and Northern Pike as abundant on Browns Lake. DNR survey details →

Clarity
6.2 ft
Max depth
44 ft
Area
397 acres
Type
Mesotrophic
Trend
Improving
Public access
Yes

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Browns Lake is a 397-acre mesotrophic lake in Racine County, Wisconsin with a maximum depth of 44 feet. Water quality is graded B based on 1 sampling years through 2026. 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 2 public boat landings. Compared to the 3 other monitored lakes in Racine County, Browns Lake ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-05-08. Grade methodology: LakeGrade 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 Milwaukee

Get alerts for Browns Lake

Water Quality Grade: B (Good)

Murky, only visible to about 6.2 ft. Phosphorus level: 17 µg/L. Trophic State Index: 48.

MetricValueGrade
Water Clarity (Secchi Depth)6.2 ftNot graded
Phosphorus17 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)48Mesotrophic

Moderate nutrients, good water quality

Where to stay near Browns Lake

Compare lakeside cabins, hotels, and vacation rentals near Browns Lake in Racine 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 Browns 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 →

DNR fisheries survey

Wisconsin DNR rates Largemouth Bass and Northern Pike as abundant on Browns Lake.

A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Browns Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 5 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. 2 stations on file (most recent sample 2026).

DNR Assessment
Good · Deep Headwater lake
Trophic State Index 48 (mesotrophic) · 5-year average

Fish Species (DNR-rated)

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

Lake Details

CharacteristicValue
Maximum Depth44 ft
Surface Area397 acres
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
1 sq mi
Shoreline
3.7 mi
Elevation
761 ft

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

Recreation & Access

2
Boat Landings
Yes
Public Access
  • Fischer County ParkPublic
  • Echo Lake Veterans Memorial ParkPublic

Named access points from the USGS National Boat Ramps inventory, snapped within 5 km. More lakes with boat ramps

Fish Species

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

Fishing Browns 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.

Curly-Leaf PondweedEurasian Water-MilfoilHybrid Eurasian / Northern Water-MilfoilZebra Mussel

Based on 5 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Improving+0.321 m/yr5
Phosphorus Improving-1.38 µg/L/yr5
See year-by-year chart →

Regulated Pollution Sources Nearby

4 EPA-permitted facilities operate within about 5 miles of Browns Lake under Clean Water Act (NPDES) discharge permits, including 2 classified by the EPA as major dischargers. 4 facilities have a reported Clean Water Act violation in the past three years.

  • Burlington Water Pollution Control
    Burlington · 1.7 mi away · NPDES WI0022926
    MajorRecent violation
  • Western Racine County Sewerage District
    Rochester · 3.6 mi away · NPDES WI0028754
    MajorRecent violation
  • Wheatland Estates Mobile Home
    Burlington · 2 mi away · NPDES WI0031011
    Recent violation
  • Applied Material Solutions Inc Burlington
    City Of Burlington · 2.8 mi away · NPDES WI0065684
    Recent violation

Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.

County Ranking

Ranked #2 of 4 lakes in Racine County

Nearby Lakes in Racine County

Frequently asked questions about Browns Lake

Where is Browns Lake?

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

What is the water quality grade for Browns Lake?

Browns Lake in Racine County, Wisconsin has a water quality grade of B (Good). Water clarity: 6.2 ft visibility. Phosphorus: 17 µg/L. Maximum depth: 44 ft. Surface area: 397 acres.

Is Browns Lake safe to swim in?

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

How deep is Browns Lake?

Browns Lake has a maximum depth of 44 feet. The lake covers 397 acres.

What fish are in Browns Lake?

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

What did the DNR fisheries survey find at Browns Lake?

Wisconsin DNR rates Largemouth Bass and Northern Pike as abundant on Browns Lake. A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Browns Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 5 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.

Are there boat ramps on Browns Lake?

Browns Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Fischer County Park, Echo Lake Veterans Memorial Park. Public access is listed as yes.

Mesotrophic Lakes in Wisconsin

Where this data comes from

41 measurements from 1 monitoring station, 2021–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX41 samples · 2021–2026

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

Regulated discharger data from EPA ECHO (ICIS-NPDES)

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