Round Lake is a mesotrophic lake in Oakland County, Michigan. Water quality is graded B based on 1 sampling years through 2021. The lake supports 37 documented fish species including Black bullhead, Black crappie, and Blackchin shiner. Public access is available. Compared to the 44 other monitored lakes in Oakland County, Round Lake ranks #16 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2021-09-15. Grade methodology: LakeGrade methodology.
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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 10 ft. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 10 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Round Lake
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Round Lake
Location
County Ranking
Ranked #16 of 45 lakes in Oakland County
Nearby Lakes in Oakland County
Explore Round Lake across LakeGrade
Fish species and top-graded lakes across Michigan
Fish species and best lakes in Oakland County
Species activity outlook by water temperature and season
Where to stay at Michigan's top lakes, each with its grade
Moderate nutrients, good water quality
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Other Grade B Lakes in Michigan
Genesee County · Clarity: 12 ft
Genesee County · Clarity: 12 ft
Lapeer County · Clarity: 14 ft
Genesee County · Clarity: 10 ft
Genesee County · Clarity: 10 ft
Livingston County · Clarity: 12 ft
Mesotrophic Lakes in Michigan
More records, surveys & data sources
EPA Impairment Status
Round Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040900030101-05 · Official waterbody report · Matched by proximity (2.7 km)
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
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2021-09-15
Monitoring stations: 1