Dollar Lake is a mesotrophic lake in Oakland County, Michigan. Water quality is graded C based on 1 sampling years through 2022. Water clarity is improving over recent sampling years. The lake supports 1 documented fish species including Lake herring. Public access is available. Compared to the 44 other monitored lakes in Oakland County, Dollar Lake ranks #33 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2022-09-08. Grade methodology: LakeGrade methodology.
Watch Dollar Lake water quality
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Moderate clarity, visible to about 9 ft. Trophic State Index: 45.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 45 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Dollar Lake
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Dollar Lake
Water Quality Trend: → Stable
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +1.73 m/yr | 3 |
| Chlorophyll-a | ↓ Declining | +1.75 µg/L/yr | 3 |
Location
County Ranking
Ranked #33 of 45 lakes in Oakland County
Cleaner Lakes Within 30 Miles
Dollar Lake holds Grade C. One nearby lake has a higher grade.
Nearby Lakes in Oakland County
Explore Dollar Lake across LakeGrade
Fish species and top-graded lakes across Michigan
Fish species and best lakes in Oakland 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
Michigan's cleanest and most-polluted lakes, ranked
More Michigan Lake Rankings
Other Grade C Lakes in Michigan
Lapeer County · Clarity: 9 ft
Livingston County · Clarity: 9 ft
Genesee County · Clarity: 1.8 ft
Livingston County · Clarity: 9.5 ft
Genesee County · Clarity: 9 ft
Livingston County · Clarity: 8 ft
Mesotrophic Lakes in Michigan
More records, surveys & data sources
EPA Impairment Status
Dollar 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 MI040900030108-09 · Official waterbody report · Matched by proximity (0.25 km)
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Dollar Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Keego Harbor MS4-OaklandKeego Harbor · 0.3 mi away · NPDES MI0060160Recent violation
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
Most recent sample: 2022-09-08
Monitoring stations: 1