Eagle Lake
Cass County, Michigan399 acresView mapDirections
EGLE publishes the water-quality measurements for Eagle Lake. Here is what has been measured.
- Impaired · Mercury
- 35 ft max depth
- Public access
- Limited data
Eagle Lake in Cass County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 7 ft visibility. Maximum depth: 35 ft. Surface area: 399.2 acres.
Eagle Lake is a 399-acre lake in Cass County, Michigan with a maximum depth of 35 feet. Overall water quality is improving over recent sampling years. The lake supports 22 documented fish species including Black crappie, Blackchin shiner, and Blacknose shiner. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-09-15. Methodology: how these readings are compared.
Eagle Lake covers about 400 acres in Cass County. It has one public boat landing. For a place on the water, look through cabin and lake-house rentals near Eagle Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
What Eagle Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Fishing22 species recorded
- Deep water35 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Eagle Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Whether Eagle Lake is safe to swim in today is a call for the Michigan Department of Environment, Great Lakes, and Energy (EGLE) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Eagle Lake
These are the measurements EGLE publishes for Eagle Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 7 ft. TSI 49.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 7ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 49 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Eagle Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
35 ft
Surface area
399 acres
Public access
Yes
Listed by EGLE
Recreation & Access
- Eagle LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Eagle Lake
Compare lakeside cabins, hotels, and vacation rentals near Eagle Lake in Cass County, Michigan — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Eagle Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Eagle Lake
Water Quality Trend: Improving
Based on 8 years of monitoring (2016–2023).
Water clarity
Improving8 years
Phosphorus
Improving-0.45 µg/L/yr7 years
Chlorophyll-a
Worsening+0.36 µg/L/yr7 years
EPA Impairment Status
Eagle Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040500011403-04 · Official waterbody report
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Eagle Lake under Clean Water Act (NPDES) discharge permits.
- Prairieview Farm, Phase TwoElkhart · 3.4 mi away · NPDES INR10P510
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.
Nearby Lakes in Cass County
Frequently asked questions about Eagle Lake
Where is Eagle Lake?
- Eagle Lake is a lake in Cass County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Eagle Lake?
- Eagle Lake in Cass County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 7 ft visibility. Maximum depth: 35 ft. Surface area: 399.2 acres.
Is Eagle Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Eagle Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
How deep is Eagle Lake?
- Eagle Lake has a maximum depth of 35 feet. The lake covers 399.2 acres.
What fish are in Eagle Lake?
- Fish species found in Eagle Lake include Black crappie, Blackchin shiner, Blacknose shiner, Bluegill, Bluntnose minnow, Brook silverside, Grass pickerel, Green sunfish, Iowa darter, Largemouth bass, Longnose gar, Northern longear sunfish, Northern pike, Pumpkinseed, Rock bass, Sand shiner, Smallmouth bass, Walleye, Warmouth, Western banded killifish, Yellow bullhead, Yellow perch. Eagle Lake is located in Cass County, Michigan.
Are there boat ramps on Eagle Lake?
- Eagle Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Eagle Lake. Public access is listed as yes.
Can I fish at Eagle Lake?
- Eagle Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Michigan's fish and wildlife agency, so check its current regulations before you go.
Explore Eagle Lake across LakeQuality
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Where this data comes from
106 measurements from 1 monitoring station, 2016–2022. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS106 samples · 2016–2022
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Named boat-access points from the USGS National Boat Ramps inventory