Skip to main content
LakeQuality
A

Long Lake

Cheboygan County, WisconsinLimited DataOligotrophic

Long Lake is a cold, clear oligotrophic lake in Cheboygan County, MI. Water quality is graded A based on 1 sampling years through 2022. The lake supports 40 documented fish species including Blackchin shiner, Blacknose shiner, and Blackside darter. Compared to the 6 other monitored lakes in Cheboygan County, Long Lake ranks #3 for water quality.

Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-08-24. Grade methodology: LakeGrade methodology.

Swimming Safety

Excellent for swimming, crystal clear water with minimal algae

Water Quality Grade: A, Excellent

Crystal clear, you can see 18 ft down. Trophic State Index: 35.

MetricValueGrade
Water Clarity (Secchi Depth)18 ftA
PhosphorusNo data
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)35Oligotrophic

Low nutrients, clear water, excellent for swimming

Fish Species

Click a species to see all Wisconsin and Minnesota lakes where it is found.

→ Best fishing times for Long Lake (14-day solunar calendar)

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

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

Location

Loading map…

County Ranking

Ranked #3 of 7 lakes in Cheboygan County

Nearby Lakes in Cheboygan County

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2022-08-24

Monitoring stations: 1