Crockery Lake Northeast Basin; Chester Township is a productive, nutrient-rich eutrophic lake in Ottawa County, Michigan. Water quality is graded F based on 1 sampling years through 2021. Water clarity is improving over recent sampling years. Compared to the 4 other monitored lakes in Ottawa County, Crockery Lake Northeast Basin; Chester Township ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2021-06-28. Grade methodology: LakeGrade methodology.
Watch Crockery Lake Northeast Basin; Chester Township water quality
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Very murky, less than 3 ft of visibility. Trophic State Index: 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 ft | F |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 61 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Crockery Lake Northeast Basin; Chester Township
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Fishing Crockery Lake Northeast Basin; Chester Township
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
County Ranking
Ranked #5 of 5 lakes in Ottawa County
Cleaner Lakes Within 30 Miles
Crockery Lake Northeast Basin; Chester Township holds Grade F. 2 nearby lakes hold higher grades.
Nearby Lakes in Ottawa County
Explore Crockery Lake Northeast Basin; Chester Township across LakeGrade
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Where to stay at Michigan's top lakes, each with its grade
High nutrients, frequent algae, reduced clarity
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Other Grade F Lakes in Michigan
Muskegon County · Clarity: 1 ft
Newaygo County · Clarity: 2.5 ft
Mecosta County · Clarity: 3 ft
Allegan County · Clarity: 3 ft
Van Buren County · Very Poor
Berrien County · Clarity: 3 ft
Eutrophic Lakes in Michigan
More records, surveys & data sources
EPA Impairment Status
Crockery Lake Northeast Basin; Chester Township 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 · Matched by proximity (0.48 km)
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: 2021-06-28
Monitoring stations: 1