Bennett Lake
Livingston County, MichiganView mapDirections
Not enough samples to grade — 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. No letter yet. Here is what we do have.
- Impaired · Mercury
- 58 ft max depth
- Limited data
Bennett Lake in Livingston County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 9.5 ft visibility. Phosphorus: 14 µg/L. Maximum depth: 58 ft.
- Clarity
- 9.5 ft
- Max depth
- 58 ft
- Phosphorus
- 14 µg/L
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Watch Bennett Lake’s letter
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Free interactive depth-contour map of Bennett Lake, reaching a maximum surveyed depth of 58 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
Why Bennett Lake has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Bennett Lake, 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. Sampling here has recorded water clarity and phosphorus, but not algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. 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.
Bennett Lake is a lake in Livingston County, Michigan with a maximum depth of 58 feet. The lake supports 1 documented fish species including Lake herring.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2023-09-18. Grade methodology: LakeQuality methodology.
What Bennett Lake is good for
From access and monitoring records, not editorial picks.
- Deep water58 ft surveyed max depth
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Bennett Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pFAS. Check local advisories before you swim.
Water quality measurements for Bennett Lake
These readings exist but are not enough for an A–F grade — see why.
Moderate clarity, visible to about 9.5 ft. Phosphorus 14 µg/L. TSI 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9.5 ft | Not graded |
| Phosphorus | 14 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 58 ft |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Bennett Lake
EPA Impairment Status
Bennett 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 MI040802030109-06 · Official waterbody report · Matched by proximity (0.77 km)
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Bennett Lake under Clean Water Act (NPDES) discharge permits.
- Tyrone Twp WwtpFenton · 2.7 mi away · NPDES MI0056642
- Laier Farms IncHowell · 4 mi away · NPDES MIG440023
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Livingston County
Frequently asked questions about Bennett Lake
Where is Bennett Lake?
- Bennett 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 Bennett Lake?
- Bennett Lake in Livingston County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 9.5 ft visibility. Phosphorus: 14 µg/L. Maximum depth: 58 ft.
Is Bennett Lake safe to swim in?
- The letter is not a swimming clearance. Bennett Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pFAS. Check local advisories before you swim.
How deep is Bennett Lake?
- Bennett Lake has a maximum depth of 58 feet.
What fish are in Bennett Lake?
- Fish species found in Bennett Lake include Lake herring. Bennett Lake is located in Livingston County, Michigan.
Explore Bennett Lake across LakeQuality
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Where this data comes from
8 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- Michigan EGLE - MiCorps
21MICH_MICORPS8 samples · 2023
Analytical methods
- Phosphorus by Colorimetry
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)