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Lake Minnesuing

Douglas County, Wisconsin450 acresView mapDirections

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

Clarity
6.2 ft
Typical for Wisconsin
Secchi · sampled 2025
Phosphorus
16.2 µg/L
Typical for Wisconsin
Measured by Wisconsin DNR
Max depth
43 ft
Bathymetric survey
Area
450 acres
Surface area
Type
Mesotrophic
Trophic class
Trend
Stable
6 years of samples
  • Mesotrophic
  • Impaired · Mercury
  • 3 aquatic invasives
  • 43 ft max depth
  • Public access

Lake Minnesuing in Douglas County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 6.2 ft visibility. Phosphorus: 16.2 µg/L. Maximum depth: 43 ft. Surface area: 450 acres.

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

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Lake Minnesuing is a 450-acre mesotrophic lake in Douglas County, Wisconsin with a maximum depth of 43 feet. Water clarity is declining over recent sampling years. The lake supports 5 documented fish species including Panfish, Largemouth Bass, and Smallmouth Bass. Public access is available with 3 public boat landings. Compared to the 14 other monitored lakes in Douglas County, Lake Minnesuing ranks #6 for water quality.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-07-27. Methodology: how these readings are compared.

Lake Minnesuing covers about 450 acres in Douglas County. It has 3 public boat landings, so a lakefront rental is not the only way to get a boat on the water. For a place on the water, look through cabin and lake-house rentals near Lake Minnesuing on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.

What Lake Minnesuing is good for

From access and monitoring records, not editorial picks.

  • Boat launch3 documented ramps
  • Fishing5 species recorded
  • Deep water43 ft surveyed max depth

Swimming conditions

Readings only

Low algae

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. Lake Minnesuing is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.

Whether Lake Minnesuing 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 Duluth →

Get alerts for Lake Minnesuing →

Water quality measurements for Lake Minnesuing

These are the measurements Wisconsin DNR publishes for Lake Minnesuing, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Murky, only visible to about 6.2 ft. Phosphorus 16.2 µg/L. TSI 48.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)6.2ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus16.2µg/LGood
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.48Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Lake Minnesuing

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

DNR fisheries survey

Wisconsin DNR lists Panfish as common on Lake Minnesuing.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Lake Minnesuing’s water-quality measurements separately, and the water-quality trend over 6 years of monitoring is stable. 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 1991. 5 stations on file (most recent sample 2025).

DNR Assessment
Excellent · Deep Lowland lake
Trophic State Index 46 (mesotrophic) · 5-year average

Fish Species (DNR-rated)

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

DNR Reports & Resources

Wisconsin DNR Fisheries scientists publish multi-year survey reports for Lake Minnesuing covering fish populations, stocking, water quality, and management. 1 report on file.

These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).

Lake Details

Max depth

43 ft

Surface area

450 acres

Public access

Yes

Listed by Wisconsin DNR

Lake Size & Watershed

Watershed (drainage) area

17 sq mi

HydroLAKES / HydroSHEDS

Shoreline

6.6 mi

HydroLAKES / HydroSHEDS

Elevation

1,106 ft

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

Recreation & Access

3
Boat Landings
Yes
Public Access
  • Lake Minnesuing (North)Public
  • Lake Minnesuing (Central)Public
  • Lake Minnesuing (South)Public

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

Stays via Stay22

Stays near Lake Minnesuing

Compare lakeside cabins, hotels, and vacation rentals near Lake Minnesuing in Douglas 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 Lake Minnesuing

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 Lake Minnesuing’s readings

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Fish Species

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

Fishing Lake Minnesuing

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 SnailCurly-Leaf PondweedPurple LoosestrifeRusty Crayfish

Based on 6 years of monitoring (2020–2025).

  • Water clarity

    Worsening

    5 years

  • Phosphorus

    Improving

    -1.08 µg/L/yr6 years

See year-by-year chart →

EPA Impairment Status

Lake Minnesuing is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

Source: EPA ATTAINS assessment unit WI10008906 · Official waterbody report

Nearby Lakes in Douglas County

Frequently asked questions about Lake Minnesuing

Where is Lake Minnesuing?

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

What is the water quality of Lake Minnesuing?

Lake Minnesuing in Douglas County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 6.2 ft visibility. Phosphorus: 16.2 µg/L. Maximum depth: 43 ft. Surface area: 450 acres.

Measurements on this page ↑

Is Lake Minnesuing safe to swim in?

Nutrient and algae readings are not a swimming clearance. Lake Minnesuing is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.

Swimming on this page ↑

How deep is Lake Minnesuing?

Lake Minnesuing has a maximum depth of 43 feet. The lake covers 450 acres.

What fish are in Lake Minnesuing?

Fish species found in Lake Minnesuing include Panfish, Largemouth Bass, Smallmouth Bass, Northern Pike, Walleye. Lake Minnesuing is located in Douglas County, Wisconsin.

Fish on this page ↑

What did the DNR fisheries survey find at Lake Minnesuing?

Wisconsin DNR lists Panfish as common on Lake Minnesuing. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Lake Minnesuing’s water-quality measurements separately, and the water-quality trend over 6 years of monitoring is stable. Catch rate is not a swim clearance and is not a weekly bite report.

DNR on this page ↑

Are there boat ramps on Lake Minnesuing?

Lake Minnesuing has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Lake Minnesuing (North), Lake Minnesuing (Central), Lake Minnesuing (South). Public access is listed as yes.

Access on this page ↑

Can I fish at Lake Minnesuing?

Lake Minnesuing has 3 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.

Access on this page ↑

Where this data comes from

51 measurements from 2 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX51 samples · 2020–2025

Analytical methods

  • Phosphorus by Colorimetry
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

Impairment status from EPA ATTAINS 303(d) database

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