Emerald Lake
Kent County, WisconsinMesotrophic
Emerald Lake is a mesotrophic lake in Kent County, MI. Water quality is graded B based on 2 sampling years through 2023. The lake supports 15 documented fish species including Black crappie, Blacknose shiner, and Bluegill. Compared to the 17 other monitored lakes in Kent County, Emerald Lake ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2023-09-18. Grade methodology: LakeGrade methodology.
Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Good clarity, visible to about 12 ft. Chlorophyll-a: 5.3 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 12 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 5.3 µg/L | B |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Fish Species
Click a species to see all Wisconsin and Minnesota lakes where it is found.
→ Best fishing times for Emerald Lake (14-day solunar calendar)
→ Is it safe to eat fish from Emerald Lake? (mercury & PFAS guide)
→ Emerald Lake fishing regulations (limits, seasons, special rules)
Location
County Ranking
Ranked #5 of 18 lakes in Kent County
Nearby Lakes in Kent County
More Wisconsin Lake Rankings
Other Grade B Lakes in Wisconsin
Lapeer County · Clarity: 9.5 ft
Livingston County · Clarity: 13 ft
Manistee County · Clarity: 11 ft
Lake County · Clarity: 14 ft
Cass County · Clarity: 10.5 ft
Genesee County · Clarity: 10 ft
Mesotrophic Lakes in Wisconsin
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-09-18
Monitoring stations: 1