Unnamed Lake
Iron County, Wisconsin31 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Unnamed Lake. Here is what has been measured.
- Limited data
Unnamed Lake in Iron County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 9 ft visibility. Surface area: 31 acres.
Unnamed Lake is a 31-acre lake in Iron County, Wisconsin. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-06-29. 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 Unnamed 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 Unnamed Lake
These are the measurements Wisconsin DNR publishes for Unnamed 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 ft. TSI 45.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 9ft | 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 Unnamed Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Unnamed Lake typically sits around 70°F at the surface in September. Summer average is about 74°F. Usually warmest in Jun (about 77°F) and coldest in May (about 61°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (61°F) to its warmest (77°F).
Typical surface water temperature by month, from 14 field readings (2024–2025) via the EPA Water Quality Portal. See the full Unnamed Lake water temperature breakdown →
Lake Details
Surface area
31 acres
No bathymetric survey has been published for Unnamed Lake, so its depth is not documented here.
Stays via Stay22
Stays near Unnamed Lake
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Fishing Unnamed Lake
Water quality readings over time
2 seasons of samples on record (2024–2025). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening2 years
Reservoir Info (USACE NID)
Unnamed Lake is a man-made reservoir impounded by the La Blonde (completed 1968), built primarily for recreation on the KAMINSKI CREEK; earth-type dam, 15 ft tall and 2,437 ft long.
- Surface area
- 31 ac
- Normal storage
- 260 ac-ft
- Max storage
- 365 ac-ft
- Drainage area
- 1.84 sq mi
- Hazard class
- Low
- Owner
- Lake Michele Lake District
Source: USACE National Inventory of Dams, NID ID WI00468 · Operator website · Matched by proximity (0.37 km)
Regulated Pollution Sources Nearby
4 EPA-permitted facilities operate within about 5 miles of Unnamed Lake under Clean Water Act (NPDES) discharge permits, including 1 classified by the EPA as major discharger. 2 facilities have a reported Clean Water Act violation in the past three years.
- Gogebic-Iron Ww Authority WwtpIronwood · 0.6 mi away · NPDES MI0020125MajorRecent violation
- Montreal City OfMontreal · 2.5 mi away · NPDES WI0022306Recent violation
- Gogebic Iron Wastewater AuthorityHurley · 0.8 mi away · NPDES WI0031933
- Pisco Gravel PitIronwood · 4 mi away · NPDES MIG490247
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Iron County
Frequently asked questions about Unnamed Lake
Where is Unnamed Lake?
- Unnamed Lake is a lake in Iron County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Unnamed Lake?
- Unnamed Lake in Iron County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 9 ft visibility. Surface area: 31 acres.
Is Unnamed 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 Unnamed Lake?
- Unnamed Lake typically sits around 70°F at the surface in September, from 14 EPA Water Quality Portal field readings (2024–2025). That is a typical value for the month, not a live reading.
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Where this data comes from
9 measurements from 1 monitoring station, 2022–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX9 samples · 2022–2025
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Fish and recreation data from Wisconsin DNR Lakes