Manitou Lake
Leelanau County, WisconsinMesotrophic
Manitou Lake is a mesotrophic lake in Leelanau County, MI. Water quality is graded A based on 2 sampling years through 2024. Compared to the 20 other monitored lakes in Leelanau County, Manitou Lake ranks #11 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-09-04. Grade methodology: LakeGrade methodology.
Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Good clarity, visible to about 13.3 ft. Phosphorus level: 13.5 µg/L. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 13.3 ft | B |
| Phosphorus | 13.5 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Location
County Ranking
Ranked #11 of 21 lakes in Leelanau County
Nearby Lakes in Leelanau County
More Wisconsin Lake Rankings
Other Grade A Lakes in Wisconsin
Mecosta County · Clarity: 12.8 ft
Benzie County · Clarity: 13.5 ft
Clare County · Clarity: 15 ft
Kalkaska County · Clarity: 16 ft
Gogebic County · Clarity: 18 ft
Iron County · Clarity: 16 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: 2024-09-04
Monitoring stations: 1