Wampus Lake
Wampus Lake in Lake County, Minnesota has a water quality grade of A (Excellent). Water clarity: 3.1 ft visibility. Phosphorus: 14 µg/L. Chlorophyll-a (algae): 3 µg/L. Maximum depth: 6 ft. Surface area: 138.77 acres.
- Clarity
- 3.1 ft
- Typical in August
- 70°F
- Max depth
- 6 ft
- Area
- 139 acres
- Type
- Mesotrophic
- Public access
- No
Next lake in Lake County
Wampus Lake is a 139-acre mesotrophic lake in Lake County, Minnesota with a maximum depth of 6 feet (3-foot average). Water quality is graded A based on 2 sampling years through 2025. The lake supports 1 documented fish species including white sucker. No public access — the lake is private or restricted. Compared to the 34 other monitored lakes in Lake County, Wampus Lake ranks #17 for water quality.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-03. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLimited data
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.
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A (Excellent)
Very murky, less than 3.1 ft of visibility. Phosphorus level: 14 µg/L. Chlorophyll-a: 3 µg/L. Trophic State Index: 48.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.1 ft | Not graded |
| Phosphorus | 14 µg/L | Good |
| Chlorophyll-a (Algae) | 3 µg/L | Good |
| Trophic State Index (TSI) | 48 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Wampus Lake
Compare lakeside cabins, hotels, and vacation rentals near Wampus Lake in Lake County, Minnesota — 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
Wampus Lake typically sits around 70°F at the surface in August. Summer average is about 70°F. Usually warmest in Jul (about 74°F) and coldest in May (about 59°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 10 field readings (2025–2025) via the EPA Water Quality Portal. See the full Wampus Lake water temperature breakdown →
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 6 ft |
| Average Depth | 3 ft |
| Surface Area | 139 acres |
| Shoreline Length | 2.9 mi |
| Littoral Zone | 100% |
| Public Access | No |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Wampus Lake
County Ranking
Ranked #17 of 35 lakes in Lake County
Nearby Lakes in Lake County
Frequently asked questions about Wampus Lake
What is the water quality grade for Wampus Lake?
- Wampus Lake in Lake County, Minnesota has a water quality grade of A (Excellent). Water clarity: 3.1 ft visibility. Phosphorus: 14 µg/L. Chlorophyll-a (algae): 3 µg/L. Maximum depth: 6 ft. Surface area: 138.77 acres.
Is Wampus Lake safe to swim in?
- Excellent for swimming, crystal clear water with minimal algae. Wampus Lake has a water quality grade of A (Excellent). Algae concentration (chlorophyll-a) is 3 µg/L. Always check local health department advisories before swimming.
What is the water temperature of Wampus Lake?
- Wampus Lake typically sits around 70°F at the surface in August, from 10 EPA Water Quality Portal field readings (2025–2025). That is a typical value for the month, not a live reading.
How deep is Wampus Lake?
- Wampus Lake has a maximum depth of 6 feet and an average depth of 3 feet. The lake covers 138.77 acres.
What fish are in Wampus Lake?
- Fish species found in Wampus Lake include white sucker. Wampus Lake is located in Lake County, Minnesota.
Explore Wampus Lake across LakeGrade
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Moderate nutrients, good water quality
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Where this data comes from
22 measurements from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA22 samples · 2025
Analytical methods
- Field measurement/observation, generic method
- Phosphorus by Two Reagent Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
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)
Lake details from Minnesota DNR LakeFinder