Deer Lake
Lincoln County, WisconsinView mapDirections
No nutrient or algae sampling on record from Wisconsin DNR for this lake.
- Public access
- Limited data
Deer Lake in Lincoln County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported.
Deer Lake is a lake in Lincoln County, Wisconsin. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2022-05-11. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Deer 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 Deer Lake
These are the measurements Wisconsin DNR publishes for Deer Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
Ask about Deer Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Deer Lake typically sits around 68°F at the surface in August. Summer average is about 72°F. Usually warmest in Jul (about 75°F) and coldest in May (about 59°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (59°F) to its warmest (75°F).
Typical surface water temperature by month, from 19 field readings (2024–2026) via the EPA Water Quality Portal. See the full Deer Lake water temperature breakdown →
Stays via Stay22
Stays near Deer Lake
Compare lakeside cabins, hotels, and vacation rentals near Deer Lake in Lincoln 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.
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Fishing Deer Lake
Nearby Lakes in Lincoln County
Frequently asked questions about Deer Lake
Where is Deer Lake?
- Deer Lake is a lake in Lincoln County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Deer Lake?
- Deer Lake in Lincoln County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported.
Is Deer Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Deer Lake?
- Deer Lake typically sits around 68°F at the surface in August, from 19 EPA Water Quality Portal field readings (2024–2026). That is a typical value for the month, not a live reading.
Can I fish at Deer Lake?
- Public access to Deer 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.
Explore Deer Lake across LakeQuality
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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.