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LakeQuality
C

Green Lake

Allegan County, WisconsinLimited DataMesotrophic

Green Lake is a mesotrophic lake in Allegan County, MI. Water quality is graded C based on 1 sampling years through 2022. The lake supports 20 documented fish species including Bigmouth shiner, Black crappie, and Blackchin shiner. Compared to the 11 other monitored lakes in Allegan County, Green Lake ranks #9 for water quality.

Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-09-06. Grade methodology: LakeGrade methodology.

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.

MetricValueGrade
Water Clarity (Secchi Depth)8 ftC
PhosphorusNo data
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)47Mesotrophic

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 Green Lake (14-day solunar calendar)

→ Is it safe to eat fish from Green Lake? (mercury & PFAS guide)

Green Lake fishing regulations (limits, seasons, special rules)

Location

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County Ranking

Ranked #9 of 12 lakes in Allegan County

Cleaner Lakes Within 30 Miles

Green Lake holds Grade C. 2 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Allegan County

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2022-09-06

Monitoring stations: 1