A90/100
DETROIT CITY OF — Water Quality Report 2026
Serving 633,218 people · Michigan
Water Source
Purchased Surface Water
County
—
System ID
MI0001800
Violations
7
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.007 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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 DETROIT CITY OF
Is DETROIT CITY OF water safe to drink?
DETROIT CITY OF water receives a grade of A (90/100), which is considered excellent. Out of 76 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has DETROIT CITY OF detected?
76 contaminants were tested in DETROIT CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does DETROIT CITY OF have any EPA violations?
Yes, DETROIT CITY OF has 7 EPA violation(s) on record, with the most recent in 2020. Violation types include Other, MR.
How many people does DETROIT CITY OF serve?
DETROIT CITY OF serves approximately 633,218 people, Michigan. The system provides water to 1 community: Detroit.
What type of water does DETROIT CITY OF provide?
DETROIT CITY OF 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 MI0001800.
How does DETROIT CITY OF compare to other utilities in Michigan?
DETROIT CITY OF scores 90/100 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.