Kneff Lakes is a cold, clear oligotrophic lake in Crawford County, Michigan. Water quality is graded A based on 1 sampling years through 2022. The lake supports 1 documented fish species including Pumpkinseed. Public access is available with 1 public boat landing. Compared to the 5 other monitored lakes in Crawford County, Kneff Lakes ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2022-09-09. Grade methodology: LakeGrade methodology.
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Crystal clear, you can see 19 ft down. Trophic State Index: 35.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 19 ft | A |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 35 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Kneff Lakes
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Kneff Lakes
Recreation & Access
Location & Depth Map
Free interactive depth-contour map of Kneff Lakes, reaching a maximum surveyed depth of 40 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
County Ranking
Ranked #4 of 6 lakes in Crawford County
Nearby Lakes in Crawford County
Explore Kneff Lakes across LakeGrade
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Species activity outlook by water temperature and season
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Low nutrients, clear water, excellent for swimming
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Other Grade A Lakes in Michigan
Roscommon County · Clarity: 35 ft
Roscommon County · Clarity: 34 ft
Roscommon County · Clarity: 34.5 ft
Otsego County · Clarity: 18.5 ft
Otsego County · Clarity: 16.5 ft
Otsego County · Clarity: 16.5 ft
Oligotrophic Lakes in Michigan
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2022-09-09
Monitoring stations: 1