B77/100
MONROE — Water Quality Report 2026
Serving 49,467 people · Michigan
Water Source
Surface Water
County
—
System ID
MI0004450
Violations
4
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 2017.
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 MONROE
Is MONROE water safe to drink?
MONROE water receives a grade of B (77/100), which is considered good. 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 MONROE detected?
69 contaminants were tested in MONROE's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MONROE have any EPA violations?
Yes, MONROE has 4 EPA violation(s) on record, with the most recent in 2017. Violation types include MCL. 4 are health-based violations.
How many people does MONROE serve?
MONROE serves approximately 49,467 people, Michigan. The system provides water to 1 community: Monroe.
What type of water does MONROE provide?
MONROE sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MI0004450.
How does MONROE compare to other utilities in Michigan?
MONROE scores 77/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Michigan state page for a full comparison of water systems.