Miners Lake
Alger County, Michigan15 acresView mapDirections
EGLE publishes the water-quality measurements for Miners Lake. Here is what has been measured.
- Mesotrophic
- 15 ft max depth
Miners Lake in Alger County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 6.3 ft visibility. Phosphorus: 15.7 µg/L. Maximum depth: 15 ft. Surface area: 14.9 acres.
Free interactive depth-contour map of Miners Lake, reaching a maximum surveyed depth of 15 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
Miners Lake is a 15-acre mesotrophic lake in Alger County, Michigan with a maximum depth of 15 feet. Overall water quality is declining over recent sampling years. Compared to the 7 other monitored lakes in Alger County, Miners Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2024-08-26. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLow algae
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Miners Lake is safe to swim in today is a call for the Michigan Department of Environment, Great Lakes, and Energy (EGLE) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Miners Lake
These are the measurements EGLE publishes for Miners Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 6.3 ft. Phosphorus 15.7 µg/L. TSI 47.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 6.3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 15.7µg/L | Good GoodFairPoor |
| 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. | 47 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Miners Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Miners Lake typically sits around 57°F at the surface in September. Summer average is about 59°F. Usually warmest in Jul (about 61°F) and coldest in Jun (about 56°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (56°F) to its warmest (61°F).
Typical surface water temperature by month, from 602 field readings (2010–2024) via the EPA Water Quality Portal. See the full Miners Lake water temperature breakdown →
Lake Details
Max depth
15 ft
Surface area
15 acres
Stays via Stay22
Stays near Miners Lake
Compare lakeside cabins, hotels, and vacation rentals near Miners Lake in Alger County, Michigan — 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.
Top-rated places to stay near Miners Lake
Prices for Oct 23–25, 4 adults. Change dates on the map below.
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Fishing Miners Lake
Water Quality Trend: Worsening
Based on 9 years of monitoring (2016–2024).
Water clarity
Stable9 years
Phosphorus
Worsening+1.41 µg/L/yr9 years
Nearby Lakes in Alger County
Frequently asked questions about Miners Lake
Where is Miners Lake?
- Miners Lake is a lake in Alger County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Miners Lake?
- Miners Lake in Alger County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 6.3 ft visibility. Phosphorus: 15.7 µg/L. Maximum depth: 15 ft. Surface area: 14.9 acres.
Is Miners 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 Miners Lake?
- Miners Lake typically sits around 57°F at the surface in September, from 602 EPA Water Quality Portal field readings (2010–2024). That is a typical value for the month, not a live reading.
How deep is Miners Lake?
- Miners Lake has a maximum depth of 15 feet. The lake covers 14.9 acres.
Explore Miners Lake across LakeQuality
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Planning a trip around Pictured Rocks?
Miners Lake is about 12 miles from Pictured Rocks National Lakeshore. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.
Best time to visit Pictured Rocks →More lakes in Michigan
Other Lakes in Michigan
Mesotrophic Lakes in Michigan
Where this data comes from
52 measurements from 1 monitoring station, 2016–2024. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- National Park Service Water Resources Division
11NPSWRD_WQX52 samples · 2016–2024
Analytical methods
- Secchi Disk
- Alkaline Persulfate Digestion for Total N and P in Water
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.