Clark Lake Central Basin; Brighton Township is a mesotrophic lake in Livingston County, Michigan. Water quality is graded B based on 1 sampling years through 2022. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 19 other monitored lakes in Livingston County, Clark Lake Central Basin; Brighton Township ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2022-09-08. Grade methodology: LakeGrade methodology.
Watch Clark Lake Central Basin; Brighton 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 12 ft. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 12 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Clark Lake Central Basin; Brighton Township
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Fishing Clark Lake Central Basin; Brighton Township
Water Quality Trend: ↓ Declining
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.42 m/yr | 3 |
Recreation & Access
Location & Depth Map
Free interactive depth-contour map of Clark Lake Central Basin; Brighton Township, 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 20 lakes in Livingston County
Cleaner Lakes Within 30 Miles
Clark Lake Central Basin; Brighton Township holds Grade B. One nearby lake has a higher grade.
Nearby Lakes in Livingston County
Explore Clark Lake Central Basin; Brighton Township across LakeGrade
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Fish species and best lakes in Livingston County
Species activity outlook by water temperature and season
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Moderate nutrients, good water quality
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Other Grade B Lakes in Michigan
Washtenaw County · Clarity: 11 ft
Washtenaw County · Clarity: 13 ft
Washtenaw County · Clarity: 11 ft
Washtenaw County · Clarity: 12 ft
Genesee County · Clarity: 12 ft
Genesee County · Clarity: 12 ft
Mesotrophic Lakes in Michigan
More records, surveys & data sources
EPA Impairment Status
Clark Lake Central Basin; Brighton Township is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040900050111-03 · Official waterbody report · Matched by proximity (2.95 km)
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Clark Lake Central Basin; Brighton Township under Clean Water Act (NPDES) discharge permits.
- Genoa Twp-Lake Edgewood WwtpBrighton · 1.1 mi away · NPDES MIG960039
- Sunshine Amoco Station #5232Brighton · 3.5 mi away · NPDES MIG081106
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.
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)
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: 2022-09-08
Monitoring stations: 1