Duck Lake
Bayfield County, Wisconsin30 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Duck Lake. Here is what has been measured.
- 30 ft max depth
- Public access
- Limited data
Duck Lake in Bayfield County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 1.6 ft visibility. Maximum depth: 30 ft. Surface area: 30 acres.
Wisconsin DNR lists Panfish as common on Duck Lake. DNR survey details →
Duck Lake is a 30-acre lake in Bayfield County, Wisconsin with a maximum depth of 30 feet. The lake supports 2 documented fish species including Panfish and Largemouth Bass. Public access is available.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2022-07-27. Methodology: how these readings are compared.
What Duck Lake is good for
From access and monitoring records, not editorial picks.
- Deep water30 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Duck 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.
Water quality measurements for Duck Lake
These are the measurements Wisconsin DNR publishes for Duck Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 1.6 ft of visibility. TSI 71.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| 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. | 71 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Duck Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR lists Panfish as common on Duck Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Duck Lake’s water-quality measurements separately. 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. 1 station on file (most recent sample 2022).
Fish Species (DNR-rated)
Lake Details
Max depth
30 ft
Surface area
30 acres
Public access
Yes
Listed by Wisconsin DNR
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Stays near Duck Lake
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Fish Species
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Fishing Duck Lake
Nearby Lakes in Bayfield County
Frequently asked questions about Duck Lake
Where is Duck Lake?
- Duck Lake is a lake in Bayfield County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Duck Lake?
- Duck Lake in Bayfield County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 1.6 ft visibility. Maximum depth: 30 ft. Surface area: 30 acres.
Is Duck Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Duck Lake?
- Duck Lake has a maximum depth of 30 feet. The lake covers 30 acres.
What fish are in Duck Lake?
- Fish species found in Duck Lake include Panfish, Largemouth Bass. Duck Lake is located in Bayfield County, Wisconsin.
What did the DNR fisheries survey find at Duck Lake?
- Wisconsin DNR lists Panfish as common on Duck Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Duck Lake’s water-quality measurements separately. Catch rate is not a swim clearance and is not a weekly bite report.
Can I fish at Duck Lake?
- Public access to Duck Lake is listed as yes on the lake record. 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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Where this data comes from
1 measurement from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX1 sample · 2022
Monitoring station identifiers (1)
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