A80/100
PONTIAC — Water Quality Report 2026
Serving 63,600 people · Michigan
Water Source
Purchased Surface Water
County
—
System ID
MI0005440
Violations
9
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2009.
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 PONTIAC
Is PONTIAC water safe to drink?
PONTIAC water receives a grade of A (80/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has PONTIAC detected?
69 contaminants were tested in PONTIAC's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does PONTIAC have any EPA violations?
Yes, PONTIAC has 9 EPA violation(s) on record, with the most recent in 2009. Violation types include MR, MCL. 2 are health-based violations.
How many people does PONTIAC serve?
PONTIAC serves approximately 63,600 people, Michigan. The system provides water to 1 community: Pontiac.
What type of water does PONTIAC provide?
PONTIAC 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 MI0005440.
How does PONTIAC compare to other utilities in Michigan?
PONTIAC scores 80/100 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.