Cook Chevrolet Buick

PWSID: MI2101079

1 active violation (non-health-based)
This system has unresolved violations related to monitoring, reporting, or procedural requirements, but none involve contaminant levels exceeding EPA health limits.

This system has more violations on record than 97% of water systems in Michigan.

Violation trend: 0.0 per year over the last 5 years, down from 1.4 per year in the previous 5.

System Details

Population Served74
Service Connections1
Water SourceGroundwater
System TypeNon-Transient Non-Community
OwnerPrivate
StatusActive
CityVassar
EPA ZIP on File48768

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level

1 Active Violations

ContaminantViolationDateHealth-BasedStatus
5000MR2019-01-01Open

Violation History (53 total)

ContaminantViolationDateHealth-BasedStatus
5000MR2021-01-01Returned to Compliance
5000MR2021-01-01Returned to Compliance
5000MR2020-01-01Returned to Compliance
5000MR2020-01-01Returned to Compliance
5000MR2019-01-01Returned to Compliance
1040MR2018-01-01 MajorReturned to Compliance
5000MR2016-01-01Returned to Compliance
1005MR2014-01-01 MajorReturned to Compliance
2005MR2011-01-01 MajorReturned to Compliance
2010MR2011-01-01 MajorReturned to Compliance
2015MR2011-01-01 MajorReturned to Compliance
2020MR2011-01-01 MajorReturned to Compliance
2036MR2011-01-01 MajorReturned to Compliance
2037MR2011-01-01 MajorReturned to Compliance
2040MR2011-01-01 MajorReturned to Compliance
2041MR2011-01-01 MajorReturned to Compliance
2042MR2011-01-01 MajorReturned to Compliance
2043MR2011-01-01 MajorReturned to Compliance
2044MR2011-01-01 MajorReturned to Compliance
2046MR2011-01-01 MajorReturned to Compliance
2047MR2011-01-01 MajorReturned to Compliance
2050MR2011-01-01 MajorReturned to Compliance
2051MR2011-01-01 MajorReturned to Compliance
2065MR2011-01-01 MajorReturned to Compliance
2067MR2011-01-01 MajorReturned to Compliance
2105MR2011-01-01 MajorReturned to Compliance
2110MR2011-01-01 MajorReturned to Compliance
2274MR2011-01-01 MajorReturned to Compliance
2326MR2011-01-01 MajorReturned to Compliance
2383MR2011-01-01 MajorReturned to Compliance
2959MR2011-01-01 MajorReturned to Compliance
2378MR2011-01-01 MajorReturned to Compliance
2380MR2011-01-01 MajorReturned to Compliance
2955MR2011-01-01 MajorReturned to Compliance
2964MR2011-01-01 MajorReturned to Compliance
2968MR2011-01-01 MajorReturned to Compliance
2969MR2011-01-01 MajorReturned to Compliance
2976MR2011-01-01 MajorReturned to Compliance
2977MR2011-01-01 MajorReturned to Compliance
2979MR2011-01-01 MajorReturned to Compliance
2980MR2011-01-01 MajorReturned to Compliance
2981MR2011-01-01 MajorReturned to Compliance
2982MR2011-01-01 MajorReturned to Compliance
2983MR2011-01-01 MajorReturned to Compliance
2984MR2011-01-01 MajorReturned to Compliance
2985MR2011-01-01 MajorReturned to Compliance
2987MR2011-01-01 MajorReturned to Compliance
2989MR2011-01-01 MajorReturned to Compliance
2990MR2011-01-01 MajorReturned to Compliance
2991MR2011-01-01 MajorReturned to Compliance

Showing 50 of 52 historical violations.

Understanding This Water System's Record

Cook Chevrolet Buick is a non-transient non-community water system that draws from groundwater sources and serves a population of 74 in Vassar, Michigan. This page shows its complete compliance history as reported to the EPA's Safe Drinking Water Information System (SDWIS), the federal database that tracks every public water system in the United States.

What Do These Violations Mean?

Health-based violations mean the system exceeded an EPA maximum contaminant level (MCL) or failed to provide required treatment. These indicate potential health risks from contaminants like lead, arsenic, bacteria, nitrates, or disinfection byproducts. Non-health-based violations involve monitoring, reporting, or procedural requirements — the system missed a testing deadline or failed to notify customers, but contaminant levels were not necessarily unsafe.

What Should You Do?

Your water utility is required to publish an annual Consumer Confidence Report (CCR) that details test results and any violations. If your system has active health-based violations, consider a certified water filter rated for the specific contaminants involved. The contaminant guides on this site explain health risks and filter options for common pollutants. For the most current results, contact your water utility directly — EPA data can lag weeks or months behind real-time testing.