A93/100
SOUTHFIELD — Water Quality Report 2026
Serving 71,739 people · Michigan
Water Source
Purchased Surface Water
County
—
System ID
MI0006160
Violations
7
Contaminant Test Results
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – August 15, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – October 23, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – October 31, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – December 20, 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 SOUTHFIELD
Is SOUTHFIELD water safe to drink?
SOUTHFIELD water receives a grade of A (93/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has SOUTHFIELD detected?
69 contaminants were tested in SOUTHFIELD's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does SOUTHFIELD have any EPA violations?
Yes, SOUTHFIELD has 7 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR.
How many people does SOUTHFIELD serve?
SOUTHFIELD serves approximately 71,739 people, Michigan. The system provides water to 1 community: Southfield.
What type of water does SOUTHFIELD provide?
SOUTHFIELD 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 MI0006160.
How does SOUTHFIELD compare to other utilities in Michigan?
SOUTHFIELD scores 93/100 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.