Eagle Lake is a cold, clear oligotrophic lake in Allegan County, Michigan. Water quality is graded B based on 1 sampling years through 2021. The lake supports 30 documented fish species including Black crappie, Blackchin shiner, and Blacknose shiner. Public access is available with 4 public boat landings. Compared to the 11 other monitored lakes in Allegan County, Eagle Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2021-09-15. Grade methodology: LakeGrade methodology.
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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 14 ft. Trophic State Index: 39.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 14 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 39 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Eagle Lake
Recreation & Access
Location
County Ranking
Ranked #4 of 12 lakes in Allegan County
Cleaner Lakes Within 30 Miles
Eagle Lake holds Grade B. One nearby lake has a higher grade.
Nearby Lakes in Allegan County
Explore Eagle Lake across LakeGrade
Fish species and top-graded lakes across Michigan
Fish species and best lakes in Allegan County
Species activity outlook by water temperature and season
Where to stay at Michigan's top lakes, each with its grade
Low nutrients, clear water, excellent for swimming
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More Michigan Lake Rankings
Other Grade B Lakes in Michigan
Kalamazoo County · Clarity: 9.5 ft
Van Buren County · Clarity: 11.5 ft
Barry County · Clarity: 11.5 ft
Barry County · Clarity: 12 ft
Barry County · Clarity: 11 ft
Barry County · Clarity: 10 ft
Oligotrophic Lakes in Michigan
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 Eagle Lake under Clean Water Act (NPDES) discharge permits.
- Petro FarmsAllegan · 2.1 mi away · NPDES MIG440018
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: 2021-09-15
Monitoring stations: 1