Lake Minnesuing
Lake Minnesuing in Douglas County, Wisconsin has a water quality grade of B (Good). Water clarity: 6.2 ft visibility. Phosphorus: 16.2 µg/L. Maximum depth: 43 ft. Surface area: 450 acres.
- Clarity
- 6.2 ft
- Max depth
- 43 ft
- Area
- 450 acres
- Type
- Mesotrophic
- Trend
- → Stable
- Public access
- Yes
Next lake in Douglas County
Lake Minnesuing is a 450-acre mesotrophic lake in Douglas County, Wisconsin with a maximum depth of 43 feet. Water quality is graded B based on 1 sampling years through 2025. 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. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLow 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
Water Quality Grade: B (Good)
Murky, only visible to about 6.2 ft. Phosphorus level: 16.2 µg/L. Trophic State Index: 48.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.2 ft | Not graded |
| Phosphorus | 16.2 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 48 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay 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
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Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 43 ft |
| Surface Area | 450 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Lake Minnesuing (North)Public
- Lake Minnesuing (Central)Public
- Lake Minnesuing (South)Public
Fish Species
Click a species to see every graded 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.
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 1991. 5 stations on file (most recent sample 2025).
Fish Species (DNR-rated)
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).
- 2017Lake Minnesuing fishery assessment, 2017Fisheries Survey · WI DNR · 2017 (PDF)
Water Quality Trend: → Stable
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.335 m/yr | 5 |
| Phosphorus | ↑ Improving | -1.08 µg/L/yr | 6 |
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
Source: EPA ATTAINS assessment unit WI10008906 · Official waterbody report
County Ranking
Ranked #6 of 15 lakes in Douglas County
Nearby Lakes in Douglas County
Frequently asked questions about Lake Minnesuing
What is the water quality grade for Lake Minnesuing?
- Lake Minnesuing in Douglas County, Wisconsin has a water quality grade of B (Good). Water clarity: 6.2 ft visibility. Phosphorus: 16.2 µg/L. Maximum depth: 43 ft. Surface area: 450 acres.
Is Lake Minnesuing safe to swim in?
- Good for swimming, clear water with low algae levels. Lake Minnesuing has a water quality grade of B (Good). Always check local health department advisories before swimming.
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.
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.
Explore Lake Minnesuing across LakeGrade
Depth, room, public access, and the state wake-sport rules
11.6 mi away · 20 ft
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Fish species and best lakes in Douglas County
Species activity outlook by water temperature and season
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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 Resources
WIDNR_WQX51 samples · 2020–2025
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (2)
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
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