Pleasant Lake; West Bloomfield Township is a mesotrophic lake in Oakland County, Michigan. Water quality is graded C based on 1 sampling years through 2023. Overall water quality is improving over recent sampling years. The lake supports 11 documented fish species including Blacknose shiner, Bluegill, and Bluntnose minnow. Compared to the 44 other monitored lakes in Oakland County, Pleasant Lake; West Bloomfield Township ranks #39 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2023-09-14. Grade methodology: LakeGrade methodology.
Watch Pleasant Lake; West Bloomfield Township 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 9.5 ft. Trophic State Index: 45.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9.5 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 Pleasant Lake; West Bloomfield Township
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Pleasant Lake; West Bloomfield Township
- → Pleasant Lake; West Bloomfield Township fishing forecast & best times (species outlook + 14-day solunar calendar)
- → Pleasant Lake; West Bloomfield Township fishing regulations (limits, seasons, special rules)
- → Is it safe to eat fish from Pleasant Lake; West Bloomfield Township? (mercury & PFAS guide)
Water Quality Trend: ↑ Improving
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +4.79 m/yr | 2 |
Location & Depth Map
Free interactive depth-contour map of Pleasant Lake; West Bloomfield Township, reaching a maximum surveyed depth of 52 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
County Ranking
Ranked #39 of 45 lakes in Oakland County
Cleaner Lakes Within 30 Miles
Pleasant Lake; West Bloomfield Township holds Grade C. One nearby lake has a higher grade.
Nearby Lakes in Oakland County
Explore Pleasant Lake; West Bloomfield Township 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
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More Michigan Lake Rankings
Other Grade C Lakes in Michigan
Livingston County · Clarity: 9 ft
Livingston County · Clarity: 8 ft
Livingston County · Clarity: 9.5 ft
Livingston County · Clarity: 9.5 ft
Lapeer County · Clarity: 9 ft
Genesee County · Clarity: 9 ft
Mesotrophic Lakes in Michigan
More records, surveys & data sources
EPA Impairment Status
Pleasant Lake; West Bloomfield 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 MI040900050102-07 · Official waterbody report · Matched by proximity (2.94 km)
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Regulated Pollution Sources Nearby
4 EPA-permitted facilities operate within about 5 miles of Pleasant Lake; West Bloomfield Township under Clean Water Act (NPDES) discharge permits, including 1 classified by the EPA as major discharger. 2 facilities have a reported Clean Water Act violation in the past three years.
- Commerce Twp WwtpCommerce Township · 2.5 mi away · NPDES MI0025071MajorRecent violation
- Walled Lake MS4-OaklandWalled Lake · 3.2 mi away · NPDES MI0060058Recent violation
- Amoco Oil Co-Walled LakeWalled Lake · 3.5 mi away · NPDES MIG080151
- Textron Inc Walled LakeWalled Lake · 4 mi away · NPDES MI0054950
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: 2023-09-14
Monitoring stations: 1