Stony Lake
Oceana County, Michigan270 acresView mapDirections
EGLE publishes the water-quality measurements for Stony Lake. Here is what has been measured.
- Impaired · Oxygen depletion (low DO)
- 43 ft max depth
- Limited data
Stony Lake in Oceana County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 6.5 ft visibility. Maximum depth: 43 ft. Surface area: 270.2 acres.
Free interactive depth-contour map of Stony Lake, reaching a maximum surveyed depth of 43 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
Stony Lake is a 270-acre lake in Oceana County, Michigan with a maximum depth of 43 feet. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-09-15. Methodology: how these readings are compared.
Stony Lake covers about 270 acres in Oceana County. For a place on the water, look through cabin and lake-house rentals near Stony Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
What Stony Lake is good for
From access and monitoring records, not editorial picks.
- Deep water43 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Stony Lake is listed impaired under Clean Water Act §303(d) (IR 5) for oxygen depletion (low DO). Check local advisories before you swim.
Whether Stony 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 Stony Lake
These are the measurements EGLE publishes for Stony 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 6.5 ft. TSI 50.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 6.5ft | 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. | 50 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Stony Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Stony Lake typically sits around 65°F at the surface in September. Summer average is about 64°F. Usually warmest in Aug (about 66°F) and coldest in May (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 (66°F).
Typical surface water temperature by month, from 410 field readings (2012–2018) via the EPA Water Quality Portal. See the full Stony Lake water temperature breakdown →
Lake Details
Max depth
43 ft
Surface area
270 acres
Stays via Stay22
Stays near Stony Lake
Compare lakeside cabins, hotels, and vacation rentals near Stony Lake in Oceana 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 Stony Lake
Prices for Oct 9–11, 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 →
Follow Stony Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Stony Lake
Water Quality Trend: Improving
Based on 7 years of monitoring (2016–2023).
Water clarity
Improving7 years
Phosphorus
Improving-0.41 µg/L/yr7 years
Chlorophyll-a
Improving-0.26 µg/L/yr7 years
EPA Impairment Status
Stony Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit MI040601011006-01 · Official waterbody report
Nearby Lakes in Oceana County
Frequently asked questions about Stony Lake
Where is Stony Lake?
- Stony Lake is a lake in Oceana County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Stony Lake?
- Stony Lake in Oceana County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 6.5 ft visibility. Maximum depth: 43 ft. Surface area: 270.2 acres.
Is Stony Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Stony Lake is listed impaired under Clean Water Act §303(d) (IR 5) for oxygen depletion (low DO). Check local advisories before you swim.
What is the water temperature of Stony Lake?
- Stony Lake typically sits around 65°F at the surface in September, from 410 EPA Water Quality Portal field readings (2012–2018). That is a typical value for the month, not a live reading.
How deep is Stony Lake?
- Stony Lake has a maximum depth of 43 feet. The lake covers 270.2 acres.
Explore Stony Lake across LakeQuality
Fish species and the cleanest lakes across Michigan
Fish species and best lakes in Oceana County
Species activity outlook by water temperature and season
Where to stay at Michigan's top lakes, each with its readings
Michigan's cleanest lakes, ranked on agency measurements
More lakes in Michigan
Other Lakes in Michigan
Eutrophic Lakes in Michigan
Where this data comes from
90 measurements from 1 monitoring station, 2016–2022. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS90 samples · 2016–2022
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
Impairment status from EPA ATTAINS 303(d) database