Crockery Lake is a productive, nutrient-rich eutrophic lake in Ottawa County, Michigan. Water quality is graded D based on 1 sampling years through 2023. Water clarity is improving over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 4 other monitored lakes in Ottawa County, Crockery Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2023-06-19. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Murky, only visible to about 3.5 ft. Trophic State Index: 59.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.5 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 59 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Crockery Lake
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Fishing Crockery Lake
Water Quality Trend: → Stable
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.63 m/yr | 3 |
| Chlorophyll-a | ↓ Declining | +1.9 µg/L/yr | 3 |
Location & Depth Map
Free interactive depth-contour map of Crockery Lake, reaching a maximum surveyed depth of 54 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
County Ranking
Ranked #4 of 5 lakes in Ottawa County
Cleaner Lakes Within 30 Miles
Crockery Lake holds Grade D. 2 nearby lakes hold higher grades.
Nearby Lakes in Ottawa County
Explore Crockery Lake across LakeGrade
Fish species and top-graded lakes across Michigan
Species activity outlook by water temperature and season
Where to stay at Michigan's top lakes, each with its grade
High nutrients, frequent algae, reduced clarity
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Other Grade D Lakes in Michigan
Kent County · Clarity: 6.3 ft
Kent County · Clarity: 6.3 ft
Newaygo County · Clarity: 4.5 ft
Muskegon County · Clarity: 1 ft
Barry County · Clarity: 4.5 ft
Barry County · Clarity: 4 ft
Eutrophic Lakes in Michigan
More records, surveys & data sources
EPA Impairment Status
Crockery Lake 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 MI040500060601-01 · Official waterbody report
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
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)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-06-19
Monitoring stations: 1