Miners Lake
Alger County, Michigan15 acresView mapDirections
Clarity, phosphorus, and algae sit in the clean band for this region.
- Mesotrophic
- #4 of 8 in the county
- 15 ft max depth
Miners Lake in Alger County, Michigan has a water quality grade of B (Good). Water clarity: 6.3 ft visibility. Phosphorus: 15.7 µg/L. Maximum depth: 15 ft. Surface area: 14.9 acres.
- Clarity
- 6.3 ft
- Typical in September
- 57°F
- Max depth
- 15 ft
- Area
- 15 acres
- Type
- Mesotrophic
- Phosphorus
- 15.7 µg/L
- Trend
- ↓ Declining
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 Sep 11–13, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Michigan’s top lakes →
Watch Miners Lake’s letter
Email me if this lake’s grade moves. Grades stay free.
Or email
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. Water quality is graded B based on 1 sampling years through 2024. 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. Grade methodology: LakeQuality methodology.
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.
The B is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: B (Good)
Murky, only visible to about 6.3 ft. Phosphorus 15.7 µg/L. TSI 47. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.3 ft | Not graded |
| Phosphorus | 15.7 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
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.
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
| Characteristic | Value |
|---|---|
| Maximum Depth | 15 ft |
| Surface Area | 15 acres |
Fishing Miners Lake
Water Quality Trend: ↓ Declining
Based on 9 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | +0.013 m/yr | 9 |
| Phosphorus | ↓ Declining | +1.41 µg/L/yr | 9 |
County Ranking
Ranked #4 of 8 lakes in Alger County
Nearby Lakes in Alger County
Frequently asked questions about Miners Lake
Where is Miners Lake?
- Miners Lake is a lake in Alger County, Michigan. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Miners Lake?
- Miners Lake in Alger County, Michigan has a water quality grade of B (Good). 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?
- The B is nutrients and algae, 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
Fish species and top-graded lakes across Michigan
Fish species and best lakes in Alger County
Species activity outlook by water temperature and season
Top lakes and where to stay in the Upper Peninsula area
Where to stay at Michigan's top lakes, each with its grade
Moderate nutrients, good water quality
Michigan's cleanest and most-polluted lakes, ranked
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 Michigan Lake Rankings
Other Grade B 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)
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.