Stone Lake
Cass County, Michigan157 acresView mapDirections
EGLE publishes the water-quality measurements for Stone Lake. Here is what has been measured.
- 50 ft max depth
- Public access
- Limited data
Stone Lake in Cass County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 16 ft visibility. Maximum depth: 50 ft. Surface area: 156.8 acres.
Free interactive depth-contour map of Stone Lake, reaching a maximum surveyed depth of 50 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
Stone Lake is a 157-acre lake in Cass County, Michigan with a maximum depth of 50 feet. The lake supports 2 documented fish species including Bluegill and Redear sunfish. Public access is available.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2023-09-01. Methodology: how these readings are compared.
What Stone Lake is good for
From access and monitoring records, not editorial picks.
- Clear water16 ft of visibility
- Deep water50 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Stone 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 Stone Lake
These are the measurements EGLE publishes for Stone Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 16 ft down. TSI 37.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 16ft | 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. | 37 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Stone Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
50 ft
Surface area
157 acres
Public access
Yes
Listed by EGLE
Lake Size & Watershed
Watershed (drainage) area
2 sq mi
HydroLAKES / HydroSHEDS
Shoreline
2.2 mi
HydroLAKES / HydroSHEDS
Elevation
850 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
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Stays near Stone Lake
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Fish Species
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Fishing Stone Lake
Nearby Lakes in Cass County
Frequently asked questions about Stone Lake
Where is Stone Lake?
- Stone Lake is a lake in Cass County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Stone Lake?
- Stone Lake in Cass County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 16 ft visibility. Maximum depth: 50 ft. Surface area: 156.8 acres.
Is Stone Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Stone Lake?
- Stone Lake has a maximum depth of 50 feet. The lake covers 156.8 acres.
What fish are in Stone Lake?
- Fish species found in Stone Lake include Bluegill, Redear sunfish. Stone Lake is located in Cass County, Michigan.
Can I fish at Stone Lake?
- Public access to Stone Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Michigan's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
7 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- Michigan EGLE - MiCorps
21MICH_MICORPS7 samples · 2023
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
Lake size & watershed from HydroLAKES (HydroSHEDS)