A95/100
CHESTERFIELD TOWNSHIP — Water Quality Report 2026
Serving 41,650 people · Michigan
Water Source
Purchased Surface Water
County
—
System ID
MI0001390
Violations
5
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – September 27, 2021Enforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About CHESTERFIELD TOWNSHIP
Is CHESTERFIELD TOWNSHIP water safe to drink?
CHESTERFIELD TOWNSHIP water receives a grade of A (95/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has CHESTERFIELD TOWNSHIP detected?
69 contaminants were tested in CHESTERFIELD TOWNSHIP's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CHESTERFIELD TOWNSHIP have any EPA violations?
Yes, CHESTERFIELD TOWNSHIP has 5 EPA violation(s) on record, with the most recent in 2021. Violation types include Other, MR.
How many people does CHESTERFIELD TOWNSHIP serve?
CHESTERFIELD TOWNSHIP serves approximately 41,650 people, Michigan.
What type of water does CHESTERFIELD TOWNSHIP provide?
CHESTERFIELD TOWNSHIP sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MI0001390.
How does CHESTERFIELD TOWNSHIP compare to other utilities in Michigan?
CHESTERFIELD TOWNSHIP scores 95/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Michigan state page for a full comparison of water systems.