Long Lake
Benzie County, WisconsinLimited DataMesotrophic
Long Lake is a mesotrophic lake in Benzie County, MI. Water quality is graded B 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 34 other monitored lakes in Benzie County, Long Lake ranks #21 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-09-30. 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 11.5 ft. Trophic State Index: 42.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11.5 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 42 | 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 #21 of 35 lakes in Benzie County
Cleaner Lakes Within 30 Miles
Long Lake holds Grade B. 5 nearby lakes hold higher grades.
- ARound LakeBenzie County · 0.8 mi · Higher grade (B → A)
- ACrystal Lake Central Basin; Lake Township Section 12Benzie County · 2 mi · Higher grade (B → A)
- ALong Lake; Lake Township; Section 31Benzie County · 0 mi · Higher grade (B → A)
- ALoon LakeBenzie County · 2.1 mi · Higher grade (B → A)
- ALoon Lake; Lake TwpBenzie County · 2.1 mi · Higher grade (B → A)
Nearby Lakes in Benzie 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: 2022-09-30
Monitoring stations: 1