Middle Lake is a mesotrophic lake in Lapeer County, Michigan. Water quality is graded C based on 1 sampling years through 2023. Water clarity is improving over recent sampling years. The lake supports 20 documented fish species including Black bullhead, Black crappie, and Blackchin shiner. Public access is available with 1 public boat landing. Compared to the 7 other monitored lakes in Lapeer County, Middle Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2023-06-17. Grade methodology: LakeGrade methodology.
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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 Middle Lake
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Middle Lake
Water Quality Trend: → Stable
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +2.066 m/yr | 4 |
| Chlorophyll-a | ↓ Declining | +1.1 µg/L/yr | 3 |
Recreation & Access
Location
County Ranking
Ranked #4 of 8 lakes in Lapeer County
Cleaner Lakes Within 30 Miles
Middle Lake holds Grade C. One nearby lake has a higher grade.
Nearby Lakes in Lapeer County
Explore Middle Lake across LakeGrade
Fish species and top-graded lakes across Michigan
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
Oakland County · Clarity: 9 ft
Oakland County · Clarity: 7.3 ft
Oakland County · Clarity: 8 ft
Oakland County · Clarity: 8.8 ft
Genesee County · Clarity: 1.8 ft
Oakland County · Clarity: 5 ft
Mesotrophic Lakes in Michigan
More records, surveys & data sources
EPA Impairment Status
Middle Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit MI040802040104-08 · Official waterbody report
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Middle Lake under Clean Water Act (NPDES) discharge permits.
- Wynnwood Llc MhcLapeer · 2 mi away · NPDES MI0056693
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)
Grading methodology based on Metropolitan Council standards
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2023-06-17
Monitoring stations: 1