Bear Lake Central Basin North; Pleasanton Township is a mesotrophic lake in Manistee County, Michigan. Water quality is graded A based on 2 sampling years through 2023. Water clarity is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 11 other monitored lakes in Manistee County, Bear Lake Central Basin North; Pleasanton Township ranks #6 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2023-09-10. Grade methodology: LakeGrade methodology.
Watch Bear Lake Central Basin North; Pleasanton Township water quality
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Good clarity, visible to about 10.8 ft. Chlorophyll-a: 2.4 µg/L. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 10.8 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 2.4 µg/L | A |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Bear Lake Central Basin North; Pleasanton Township
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Fishing Bear Lake Central Basin North; Pleasanton Township
Water Quality Trend: → Stable
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.27 m/yr | 3 |
| Chlorophyll-a | ↑ Improving | -0.55 µg/L/yr | 3 |
Recreation & Access
Location
County Ranking
Ranked #6 of 12 lakes in Manistee County
Nearby Lakes in Manistee County
Explore Bear Lake Central Basin North; Pleasanton Township across LakeGrade
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Fish species and best lakes in Manistee 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 records, surveys & data sources
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 Bear Lake Central Basin North; Pleasanton Township under Clean Water Act (NPDES) discharge permits.
- Mcarthurs Service-ArcadiaArcadia · 4.8 mi away · NPDES MIG080176
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
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: 2023-09-10
Monitoring stations: 1