Bass Lake Central Basin; Forsyth Township is a mesotrophic lake in Marquette County, Michigan. Water quality is graded B based on 1 sampling years through 2023. The lake supports 10 documented fish species including Bluntnose minnow, Brook stickleback, and Creek chub. Public access is available with 2 public boat landings. Compared to the 9 other monitored lakes in Marquette County, Bass Lake Central Basin; Forsyth Township ranks #9 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2023-09-04. Grade methodology: LakeGrade methodology.
Watch Bass Lake Central Basin; Forsyth Township water quality
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Good clarity, visible to about 11.8 ft. Trophic State Index: 42.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11.8 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 42 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Bass Lake Central Basin; Forsyth Township
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Bass Lake Central Basin; Forsyth Township
- → Bass Lake Central Basin; Forsyth Township fishing forecast & best times (species outlook + 14-day solunar calendar)
- → Bass Lake Central Basin; Forsyth Township fishing regulations (limits, seasons, special rules)
- → Is it safe to eat fish from Bass Lake Central Basin; Forsyth Township? (mercury & PFAS guide)
Recreation & Access
Location & Depth Map
Free interactive depth-contour map of Bass Lake Central Basin; Forsyth Township, reaching a maximum surveyed depth of 78 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
County Ranking
Ranked #9 of 10 lakes in Marquette County
Cleaner Lakes Within 30 Miles
Bass Lake Central Basin; Forsyth Township holds Grade B. One nearby lake has a higher grade.
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Moderate nutrients, good water quality
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Other Grade B Lakes in Michigan
Dickinson County · Clarity: 11.5 ft
Dickinson County · Clarity: 11.5 ft
Dickinson County · Clarity: 12.5 ft
Dickinson County · Clarity: 12.5 ft
Dickinson County · Clarity: 13.8 ft
Dickinson County · Clarity: 13.8 ft
Mesotrophic Lakes in Michigan
More records, surveys & data sources
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2023-09-04
Monitoring stations: 1