Robbins Lake is a mesotrophic lake in Cass County, Michigan. Water quality is graded B based on 1 sampling years through 2021. Compared to the 22 other monitored lakes in Cass County, Robbins Lake ranks #8 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2021-09-10. Grade methodology: LakeGrade methodology.
Watch Robbins Lake water quality
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Good clarity, visible to about 11.8 ft. Trophic State Index: 42.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11.8 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 42 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Robbins Lake
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Fishing Robbins Lake
Location & Depth Map
Free interactive depth-contour map of Robbins Lake, reaching a maximum surveyed depth of 50 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
County Ranking
Ranked #8 of 23 lakes in Cass County
Nearby Lakes in Cass County
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Moderate nutrients, good water quality
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Other Grade B Lakes in Michigan
Van Buren County · Clarity: 11.5 ft
St. Joseph County · Clarity: 10.5 ft
Kalamazoo County · Clarity: 9.5 ft
Kalamazoo County · Clarity: 8 ft
Kalamazoo County · Clarity: 9.5 ft
Allegan County · Clarity: 14 ft
Mesotrophic Lakes in Michigan
More records, surveys & data sources
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2021-09-10
Monitoring stations: 1