Round Lake is a mesotrophic lake in Kent County, Michigan. Water quality is graded C based on 1 sampling years through 2022. Overall water quality is declining over recent sampling years. The lake supports 37 documented fish species including Black bullhead, Black crappie, and Blackchin shiner. Compared to the 17 other monitored lakes in Kent County, Round Lake ranks #12 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2022-07-04. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Moderate clarity, visible to about 8 ft. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 47 | 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
Water Quality Trend: ↓ Declining
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -2.33 m/yr | 2 |
Location
County Ranking
Ranked #12 of 18 lakes in Kent County
Cleaner Lakes Within 30 Miles
Round Lake holds Grade C. 3 nearby lakes hold higher grades.
Nearby Lakes in Kent County
Explore Round Lake across LakeGrade
Fish species and top-graded lakes across Michigan
Fish species and best lakes in Kent 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 C Lakes in Michigan
Montcalm County · Clarity: 9 ft
Montcalm County · Clarity: 9.5 ft
Allegan County · Clarity: 8 ft
Allegan County · Clarity: 8 ft
Ottawa County · Clarity: 4 ft
Allegan County · Clarity: 6.2 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: 2022-07-04
Monitoring stations: 1