Little Maggie Lake; Mastodon Township
Iron County, WisconsinLimited DataOligotrophic
Little Maggie Lake; Mastodon Township is a cold, clear oligotrophic lake in Iron County, MI. Water quality is graded B based on 1 sampling years through 2023. Compared to the 38 other monitored lakes in Iron County, Little Maggie Lake; Mastodon Township ranks #30 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2023-09-05. 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 13.5 ft. Trophic State Index: 40.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 13.5 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 40 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Location
County Ranking
Ranked #30 of 39 lakes in Iron County
Cleaner Lakes Within 30 Miles
Little Maggie Lake; Mastodon Township holds Grade B. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Iron 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
Oligotrophic Lakes in Wisconsin
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-09-05
Monitoring stations: 1