Muskegon County, Michigan · Water Quality Report Card
Duck Lake; Center of
Duck Lake; Center of in Muskegon County, Michigan has a water quality grade of A (Excellent). Water clarity: 10.5 ft visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 4.4 µg/L.
- Clarity
- 10.5 ft
- Mean depth
- ~21 ft est.
- Type
- Mesotrophic
- Trend
- ↑ Improving
Duck Lake; Center of is a mesotrophic lake in Muskegon County, Michigan with an estimated average depth of about 21 feet. Water quality is graded A based on 2 sampling years through 2023. Overall water quality is improving over recent sampling years. Compared to the 3 other monitored lakes in Muskegon County, Duck Lake; Center of ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2023-09-15. Grade methodology: LakeGrade methodology.
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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 10.5 ft. Phosphorus level: 16 µg/L. Chlorophyll-a: 4.4 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 10.5 ft | |
| Phosphorus | 16 µg/L | Good |
| Chlorophyll-a (Algae) | 4.4 µg/L | Good |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Average Depth | ~21 ft est. |
Depth marked “est.” is a modeled estimate from HydroLAKES, not a measured survey. Michigan has not published bathymetry for Duck Lake; Center of.
Where to stay near Duck Lake; Center of
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Fishing Duck Lake; Center of
Water Quality Trend: ↑ Improving
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +1.953 m/yr | 4 |
| Phosphorus | ↑ Improving | -3.5 µg/L/yr | 3 |
| Chlorophyll-a | → Stable | 0 µg/L/yr | 3 |
Location
County Ranking
Ranked #1 of 4 lakes in Muskegon County
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Other Grade A Lakes in Michigan
Oceana County · 6.5 ft
Newaygo County · 4.5 ft
Lake County · 8 ft
Newaygo County · 15.5 ft
Mason County · 14 ft
Kent County · 12 ft
Mesotrophic Lakes in Michigan
More records, surveys & data sources
EPA Impairment Status
Duck Lake; Center of is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040601021001-02 · Official waterbody report · Matched by proximity (1 km)
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Where this data comes from
47 measurements from 1 monitoring station, 2021–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Michigan EGLE - MiCorps
21MICH_MICORPS47 samples · 2021–2023
Analytical methods
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
Monitoring station identifiers (1)
Grade thresholds come from the U.S. EPA National Lakes Assessment 2022 Technical Support Document (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated.
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2023-09-15
Monitoring stations: 1