Tamarack Lake is a mesotrophic lake in Livingston County, Michigan. Water quality is graded C based on 1 sampling years through 2024. Overall water quality is improving over recent sampling years. The lake supports 6 documented fish species including Blacknose shiner, Brook stickleback, and Central mudminnow. Public access is available. Compared to the 19 other monitored lakes in Livingston County, Tamarack Lake ranks #13 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2024-07-11. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Moderate clarity, visible to about 8 ft. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Tamarack Lake
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Tamarack Lake
Water Quality Trend: ↑ Improving
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.488 m/yr | 5 |
Location & Depth Map
Free interactive depth-contour map of Tamarack Lake, reaching a maximum surveyed depth of 34 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
County Ranking
Ranked #13 of 20 lakes in Livingston County
Cleaner Lakes Within 30 Miles
Tamarack Lake holds Grade C. One nearby lake has a higher grade.
Nearby Lakes in Livingston County
Explore Tamarack Lake across LakeGrade
Fish species and top-graded lakes across Michigan
Fish species and best lakes in Livingston County
Species activity outlook by water temperature and season
Where to stay at Michigan's top lakes, each with its grade
Moderate nutrients, good water quality
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More Michigan Lake Rankings
Other Grade C Lakes in Michigan
Washtenaw County · Clarity: 9 ft
Washtenaw County · Clarity: 5.8 ft
Washtenaw County · Clarity: 7.2 ft
Washtenaw County · Clarity: 9.5 ft
Genesee County · Clarity: 9 ft
Shiawassee County · Clarity: 5 ft
Mesotrophic Lakes in Michigan
More records, surveys & data sources
EPA Impairment Status
Tamarack Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040900050307-24 · Official waterbody report · Matched by proximity (0.96 km)
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-07-11
Monitoring stations: 1