Duck Lake
Calhoun County, Michigan596 acresView mapDirections
EGLE publishes the water-quality measurements for Duck Lake. Here is what has been measured.
- 50 ft max depth
- Public access
- Limited data
Duck Lake in Calhoun County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 12 ft visibility. Maximum depth: 50 ft. Surface area: 596.1 acres.
Duck Lake is a 596-acre lake in Calhoun County, Michigan with a maximum depth of 50 feet. Overall water quality is declining over recent sampling years. The lake supports 2 documented fish species including Brown bullhead and Spotted gar. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2019-09-01. Methodology: how these readings are compared.
What Duck Lake is good for
From access and monitoring records, not editorial picks.
- Clear water12 ft of visibility
- Boat launch1 documented ramp
- Deep water50 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Duck 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 Duck Lake
These are the measurements EGLE publishes for Duck Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 12 ft. TSI 41.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 12ft | 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. | 41 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Duck Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
50 ft
Surface area
596 acres
Public access
Yes
Listed by EGLE
Recreation & Access
- Duck 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 Duck Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Duck Lake
Water Quality Trend: Worsening
Based on 4 years of monitoring (2016–2019).
Water clarity
Worsening4 years
Nearby Lakes in Calhoun County
Frequently asked questions about Duck Lake
Where is Duck Lake?
- Duck Lake is a lake in Calhoun County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Duck Lake?
- Duck Lake in Calhoun County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 12 ft visibility. Maximum depth: 50 ft. Surface area: 596.1 acres.
Is Duck Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Duck Lake?
- Duck Lake has a maximum depth of 50 feet. The lake covers 596.1 acres.
What fish are in Duck Lake?
- Fish species found in Duck Lake include Brown bullhead, Spotted gar. Duck Lake is located in Calhoun County, Michigan.
Are there boat ramps on Duck Lake?
- Duck Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Duck Lake. Public access is listed as yes.
Can I fish at Duck Lake?
- Duck 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.
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Where this data comes from
62 measurements from 1 monitoring station, 2016–2019. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS62 samples · 2016–2019
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
Named boat-access points from the USGS National Boat Ramps inventory