Anderson Lake
Bayfield County, Wisconsin31 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Anderson Lake. Here is what has been measured.
- 46 ft max depth
- Limited data
Anderson Lake in Bayfield County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 9.3 ft visibility. Maximum depth: 46 ft. Surface area: 31 acres.
Wisconsin DNR lists Largemouth Bass as common on Anderson Lake. DNR survey details →
Anderson Lake is a 31-acre lake in Bayfield County, Wisconsin with a maximum depth of 46 feet. Overall water quality is improving over recent sampling years. The lake supports 1 documented fish species including Largemouth Bass.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2023-08-21. Methodology: how these readings are compared.
What Anderson Lake is good for
From access and monitoring records, not editorial picks.
- Deep water46 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 Anderson 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 Anderson Lake
These are the measurements Wisconsin DNR publishes for Anderson Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 9.3 ft. TSI 45.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 9.3ft | 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. | 45 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Anderson Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR lists Largemouth Bass as common on Anderson Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Anderson Lake’s water-quality measurements separately, and the water-quality trend over 3 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.
Fish Species (DNR-rated)
Lake Details
Max depth
46 ft
Surface area
31 acres
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Fish Species
Click a species to see every lake where it is documented.
Fishing Anderson Lake
Water quality readings over time
2 seasons of samples on record (2021–2023). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving2 years
Nearby Lakes in Bayfield County
Frequently asked questions about Anderson Lake
Where is Anderson Lake?
- Anderson 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 Anderson Lake?
- Anderson Lake in Bayfield County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 9.3 ft visibility. Maximum depth: 46 ft. Surface area: 31 acres.
Is Anderson Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Anderson Lake?
- Anderson Lake has a maximum depth of 46 feet. The lake covers 31 acres.
What fish are in Anderson Lake?
- Fish species found in Anderson Lake include Largemouth Bass. Anderson Lake is located in Bayfield County, Wisconsin.
What did the DNR fisheries survey find at Anderson Lake?
- Wisconsin DNR lists Largemouth Bass as common on Anderson Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Anderson Lake’s water-quality measurements separately, and the water-quality trend over 3 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
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Where this data comes from
2 measurements from 1 monitoring station, 2021–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Eastern Regional Office
USFSEASTERN2 samples · 2021–2023
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