A98/100
TROY — Water Quality Report 2026
Serving 85,854 people · Michigan
Water Source
Purchased Surface Water
County
—
System ID
MI0006690
Violations
2
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2012.
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 TROY
Is TROY water safe to drink?
TROY water receives a grade of A (98/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has TROY detected?
69 contaminants were tested in TROY's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does TROY have any EPA violations?
Yes, TROY has 2 EPA violation(s) on record, with the most recent in 2012. Violation types include MR.
How many people does TROY serve?
TROY serves approximately 85,854 people, Michigan. The system provides water to 1 community: Troy.
What type of water does TROY provide?
TROY 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 MI0006690.
How does TROY compare to other utilities in Michigan?
TROY scores 98/100 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.