Unnamed Lake
Unnamed Lake in Oneida County, Wisconsin has a water quality grade of D (Nutrient-rich). Water clarity: 1.4 ft visibility. Phosphorus: 72.5 µg/L.
- Clarity
- 1.4 ft
- Type
- Eutrophic
- Trend
- ↓ Declining
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Unnamed Lake →
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Unnamed Lake is a productive, nutrient-rich eutrophic lake in Oneida County, Wisconsin. Water quality is graded D based on 1 sampling years through 2025. Overall water quality is declining over recent sampling years. Compared to the 66 other monitored lakes in Oneida County, Unnamed Lake ranks #65 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-09-15. Grade methodology: LakeQuality 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.
Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum
Water Quality Grade: D (Nutrient-rich)
Very murky, less than 1.4 ft of visibility. Phosphorus level: 72.5 µg/L. Trophic State Index: 69.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.4 ft | Not graded |
| Phosphorus | 72.5 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 69 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Unnamed Lake
Compare lakeside cabins, hotels, and vacation rentals near Unnamed Lake in Oneida 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Unnamed Lake are listed below.
Top-rated places to stay near Unnamed Lake
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Planning a whole trip? See where to stay at Wisconsin’s top lakes →
Fishing Unnamed Lake
Water Quality Trend: ↓ Declining
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.2 m/yr | 2 |
| Phosphorus | ↓ Declining | +5.4 µg/L/yr | 2 |
County Ranking
Ranked #65 of 67 lakes in Oneida County
Nearby Lakes With Higher Grades
Unnamed Lake holds Grade D. 3 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.
Nearby Lakes in Oneida County
Frequently asked questions about Unnamed Lake
Where is Unnamed Lake?
- Unnamed Lake is a lake in Oneida County, Wisconsin. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Unnamed Lake?
- Unnamed Lake in Oneida County, Wisconsin has a water quality grade of D (Nutrient-rich). Water clarity: 1.4 ft visibility. Phosphorus: 72.5 µg/L.
Is Unnamed Lake safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Unnamed Lake has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.
Explore Unnamed Lake across LakeQuality
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Where this data comes from
9 measurements from 1 monitoring station, 2024–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX9 samples · 2024–2025
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.