What is the water quality grade for Crockery Lake Northeast Basin; Chester Township?

Crockery Lake Northeast Basin; Chester Township in Ottawa County, Wisconsin received a water quality grade of F (Very Poor). Water clarity: 3 ft visibility.

Is Crockery Lake Northeast Basin; Chester Township safe to swim in?

Avoid swimming, very poor water quality, potential algae toxins. Crockery Lake Northeast Basin; Chester Township has an overall water quality grade of F. Always check local health department advisories before swimming.

Crockery Lake Northeast Basin; Chester Township

Ottawa County, WisconsinLimited DataEutrophic

Crockery Lake Northeast Basin; Chester Township is a productive, nutrient-rich eutrophic lake in Ottawa County, MI. Water quality is graded F based on 1 sampling years through 2021. 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, local state DNR records, last sampled 2021-06-28. Grade methodology: LakeGrade methodology.

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

Location

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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.

See full comparison →

Nearby Lakes in Ottawa County

Crockery Lake Southwest Basin; Chester Township

Ottawa County

Crockery Lake

Ottawa County

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Other Grade F Lakes in Wisconsin

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Berrien County · Clarity: 3 ft

Little Paw Paw Lake West Central Basin; Coloma Township

Berrien County · Clarity: 3 ft

Thread Lake

Genesee County · Clarity: 1.8 ft

Perch Lake

Hillsdale County · Clarity: 3.3 ft

Perch Lake

Hillsdale County · Clarity: 3.3 ft

Batteese Lake

Jackson County · Clarity: 2.8 ft

Eutrophic Lakes in Wisconsin

Kimball Lake Van Etten Lake North Central Basin; Oscoda Township Community College Pond Pentwater Lake Northwest Basin; Pentwater Township

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

MercuryNutrients (phosphorus, nitrogen)Oxygen depletion (low DO)

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)

Data Sources

Water quality data from the EPA Water Quality Portal

Impairment status from EPA ATTAINS 303(d) database

Grading methodology based on Metropolitan Council standards

Most recent sample: 2021-06-28

Monitoring stations: 1