Long Lake
Barry County, WisconsinLimited DataMesotrophic
Long Lake is a mesotrophic lake in Barry County, MI. Water quality is graded B based on 1 sampling years through 2022. The lake supports 1 documented fish species including Lake herring. Compared to the 13 other monitored lakes in Barry County, Long Lake ranks #10 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-09-15. 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 11 ft. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 43 | Mesotrophic |
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 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
County Ranking
Ranked #10 of 14 lakes in Barry County
Cleaner Lakes Within 30 Miles
Long Lake holds Grade B. 2 nearby lakes hold higher grades.
- ALong Lake Northeast Basin; Hope Twsp.Barry County · 0.6 mi · Higher grade (B → A)
- ACrooked Lake Southwest Basin; Prairievile Township Sec12Barry County · 5.1 mi · Higher grade (B → A)
Nearby Lakes in Barry 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: 2022-09-15
Monitoring stations: 1