Long Lake North Central Basin; Long Lake Township
Grand Traverse County, WisconsinOligotrophic
Long Lake North Central Basin; Long Lake Township is a cold, clear oligotrophic lake in Grand Traverse County, MI. Water quality is graded A based on 2 sampling years through 2023. The lake supports 10 documented fish species including Blacknose shiner, Bluegill, and Bluntnose minnow. Compared to the 19 other monitored lakes in Grand Traverse County, Long Lake North Central Basin; Long Lake Township ranks #10 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2023-09-18. Grade methodology: LakeGrade methodology.
Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Crystal clear, you can see 23.8 ft down. Chlorophyll-a: 1.4 µg/L. Trophic State Index: 33.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 23.8 ft | A |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 1.4 µg/L | A |
| Trophic State Index (TSI) | 33 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Fish Species
Click a species to see all Wisconsin and Minnesota lakes where it is found.
→ Best fishing times for Long Lake North Central Basin; Long Lake Township (14-day solunar calendar)
Location
County Ranking
Ranked #10 of 20 lakes in Grand Traverse County
Nearby Lakes in Grand Traverse 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
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: 2023-09-18
Monitoring stations: 1