Tamarack Lake
Livingston County, Michigan19 acresView mapDirections
Not Rated: one monitoring station are on record, but they measured water clarity only. LakeQuality’s A–F method grades total phosphorus, total nitrogen, chlorophyll-a, and turbidity; clarity is shown, not scored.
- Impaired · Mercury
- 34 ft max depth
- Limited data
Tamarack Lake in Livingston County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 7 ft visibility. Maximum depth: 34 ft. Surface area: 18.9 acres.
- Clarity
- 7 ft
- Max depth
- 34 ft
- Area
- 19 acres
- Trend
- ↓ Declining
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Watch Tamarack Lake’s letter
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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.
Why Tamarack Lake has no grade
Tamarack Lake has monitoring on record from one station, but only water clarity was measured. LakeQuality’s A–F letter uses total phosphorus, total nitrogen, chlorophyll-a, and turbidity against EPA National Lakes Assessment condition classes. With none of those grading measurements on record, Tamarack Lake is Not Rated — not an F. Its 7-foot median from 81 readings collected 2016–2024 is still shown as clarity, but clarity alone cannot earn a letter.
Not Rated is EPA Integrated Reporting Category 3 — insufficient information. Everything below that has been measured is still reported on this page.
Sampling is run by EGLE and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Tamarack Lake is a 19-acre lake in Livingston County, Michigan with a maximum depth of 34 feet. Overall water quality is declining over recent sampling years. The lake supports 6 documented fish species including Blacknose shiner, Brook stickleback, and Central mudminnow.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2024-07-11. Grade methodology: LakeQuality methodology.
What Tamarack Lake is good for
From access and monitoring records, not editorial picks.
- Fishing6 species recorded
- Deep water34 ft surveyed max depth
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Tamarack Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pesticides, pFAS, pCBs. Check local advisories before you swim.
Water quality measurements for Tamarack Lake
These readings exist but are not enough for an A–F grade — see why.
Moderate clarity, visible to about 7 ft. TSI 49.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 49 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 34 ft |
| Surface Area | 19 acres |
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Tamarack Lake
Water Quality Trend: ↓ Declining
Based on 9 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.19 m/yr | 9 |
| Phosphorus | ↓ Declining | +1.24 µg/L/yr | 7 |
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)
Graded lakes near Tamarack Lake
Tamarack Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Livingston County
Frequently asked questions about Tamarack Lake
Where is Tamarack Lake?
- Tamarack Lake is a lake in Livingston County, Michigan. LakeQuality has not rated this lake (UNRATED) — the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity.
What is the water quality grade for Tamarack Lake?
- Tamarack Lake in Livingston County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 7 ft visibility. Maximum depth: 34 ft. Surface area: 18.9 acres.
Is Tamarack Lake safe to swim in?
- The letter is not a swimming clearance. Tamarack Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pesticides, pFAS, pCBs. Check local advisories before you swim.
How deep is Tamarack Lake?
- Tamarack Lake has a maximum depth of 34 feet. The lake covers 18.9 acres.
What fish are in Tamarack Lake?
- Fish species found in Tamarack Lake include Blacknose shiner, Brook stickleback, Central mudminnow, Golden shiner, Iowa darter, Northern redbelly dace. Tamarack Lake is located in Livingston County, Michigan.
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Where this data comes from
81 measurements from 1 monitoring station, 2016–2024. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS81 samples · 2016–2024
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database