Long Lake North Central Basin; Plainfield Township
Iosco County, WisconsinLimited DataMesotrophic
Long Lake North Central Basin; Plainfield Township is a mesotrophic lake in Iosco County, MI. Water quality is graded B based on 1 sampling years through 2023. Compared to the 7 other monitored lakes in Iosco County, Long Lake North Central Basin; Plainfield Township ranks #6 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2023-09-03. 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 ft. Trophic State Index: 40.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 13 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 40 | Mesotrophic |
Moderate nutrients, good water quality
Location
County Ranking
Ranked #6 of 8 lakes in Iosco County
Cleaner Lakes Within 30 Miles
Long Lake North Central Basin; Plainfield Township holds Grade B. 4 nearby lakes hold higher grades.
- AAu Sable Lake East Central Basin,Goodar TownshipOgemaw County · 2.8 mi · Higher grade (B → A)
- AChain Lakes East BasinIosco County · 4.5 mi · Higher grade (B → A)
- ALoon Lake East Basin; T25north R2eOscoda County · 15.2 mi · Higher grade (B → A)
- AJewell Lake West BasinAlcona County · 21.6 mi · Higher grade (B → A)
Nearby Lakes in Iosco 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: 2023-09-03
Monitoring stations: 1