Crystal Lake
Montcalm County, WisconsinLimited DataMesotrophic
Crystal Lake is a mesotrophic lake in Montcalm County, MI. Water quality is graded B based on 1 sampling years through 2023. The lake supports 16 documented fish species including Black crappie, Bluegill, and Burbot. Compared to the 8 other monitored lakes in Montcalm County, Crystal Lake ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2023-06-24. 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 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
Fish Species
Click a species to see all Wisconsin and Minnesota lakes where it is found.
→ Best fishing times for Crystal Lake (14-day solunar calendar)
→ Is it safe to eat fish from Crystal Lake? (mercury & PFAS guide)
→ Crystal Lake fishing regulations (limits, seasons, special rules)
Location
County Ranking
Ranked #5 of 9 lakes in Montcalm County
Cleaner Lakes Within 30 Miles
Crystal Lake holds Grade B. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Montcalm 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: 2023-06-24
Monitoring stations: 1