A95/100
NORTHVILLE — Water Quality Report 2026
Serving 6,119 people · Michigan
Water Source
Purchased Surface Water
County
—
System ID
MI0004830
Violations
5
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2013.
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 NORTHVILLE
Is NORTHVILLE water safe to drink?
NORTHVILLE water receives a grade of A (95/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has NORTHVILLE detected?
31 contaminants were tested in NORTHVILLE's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does NORTHVILLE have any EPA violations?
Yes, NORTHVILLE has 5 EPA violation(s) on record, with the most recent in 2013. Violation types include MR, Other.
How many people does NORTHVILLE serve?
NORTHVILLE serves approximately 6,119 people, Michigan. The system provides water to 1 community: Northville.
What type of water does NORTHVILLE provide?
NORTHVILLE 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 MI0004830.
How does NORTHVILLE compare to other utilities in Michigan?
NORTHVILLE 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.