Wolf Lake
Wolf Lake in Adams County, Wisconsin has a water quality grade of B (Good). Water clarity: 15 ft visibility. Phosphorus: 12.4 µg/L. Maximum depth: 58 ft. Surface area: 42 acres.
- Clarity
- 15 ft
- Typical in August
- 80°F
- Max depth
- 58 ft
- Area
- 42 acres
- Type
- Oligotrophic
- Trend
- ↑ Improving
- Public access
- Yes
Next lake in Adams County
Wolf Lake is a 42-acre cold, clear oligotrophic lake in Adams County, Wisconsin with a maximum depth of 58 feet. Water quality is graded B based on 1 sampling years through 2026. Overall water quality is improving over recent sampling years. The lake supports 4 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 1 public boat landing. Compared to the 17 other monitored lakes in Adams County, Wolf Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-13. 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)
Crystal clear, you can see 15 ft down. Phosphorus level: 12.4 µg/L. Trophic State Index: 39.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 15 ft | Not graded |
| Phosphorus | 12.4 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 39 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Wolf Lake
Compare lakeside cabins, hotels, and vacation rentals near Wolf Lake in Adams 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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Water Temperature
Wolf Lake typically sits around 80°F at the surface in August. Summer average is about 79°F. Usually warmest in Jul (about 82°F) and coldest in Mar (about 45°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 42 field readings (2024–2026) via the EPA Water Quality Portal. See the full Wolf Lake water temperature breakdown →
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 58 ft |
| Surface Area | 42 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Wolf LakePublic
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Wolf Lake
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 1990. 2 stations on file (most recent sample 2026).
Fish Species (DNR-rated)
DNR Reports & Resources
Wisconsin DNR Fisheries scientists publish multi-year survey reports for Wolf Lake 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).
- 2025Wolf Lake spring shocking survey, 2025Spring Shocking Survey · WI DNR · 2025 (PDF)
Water Quality Trend: ↑ Improving
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +1.669 m/yr | 7 |
| Phosphorus | ↑ Improving | -1.1 µg/L/yr | 7 |
County Ranking
Ranked #3 of 18 lakes in Adams County
Nearby Lakes in Adams County
Frequently asked questions about Wolf Lake
What is the water quality grade for Wolf Lake?
- Wolf Lake in Adams County, Wisconsin has a water quality grade of B (Good). Water clarity: 15 ft visibility. Phosphorus: 12.4 µg/L. Maximum depth: 58 ft. Surface area: 42 acres.
Is Wolf Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Wolf Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Wolf Lake?
- Wolf Lake typically sits around 80°F at the surface in August, from 42 EPA Water Quality Portal field readings (2024–2026). That is a typical value for the month, not a live reading.
How deep is Wolf Lake?
- Wolf Lake has a maximum depth of 58 feet. The lake covers 42 acres.
What fish are in Wolf Lake?
- Fish species found in Wolf Lake include Panfish, Largemouth Bass, Northern Pike, Trout. Wolf Lake is located in Adams County, Wisconsin.
Are there boat ramps on Wolf Lake?
- Wolf Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Wolf Lake. Public access is listed as yes.
Explore Wolf Lake across LakeGrade
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Species activity outlook by water temperature and season
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Where this data comes from
60 measurements from 1 monitoring station, 2021–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX60 samples · 2021–2026
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (1)
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
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