B64/100
MARQUETTE — Water Quality Report 2026
Serving 20,629 people · Michigan
Water Source
Surface Water
County
—
System ID
MI0004120
Violations
24
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.019 mg/L | 0.015 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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 MARQUETTE
Is MARQUETTE water safe to drink?
MARQUETTE water receives a grade of B (64/100), which is considered good. Out of 69 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MARQUETTE detected?
69 contaminants were tested in MARQUETTE's water. Notable contaminants include Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does MARQUETTE have any EPA violations?
Yes, MARQUETTE has 24 EPA violation(s) on record, with the most recent in 2018. Violation types include MR, Other, TT. 1 are health-based violations.
How many people does MARQUETTE serve?
MARQUETTE serves approximately 20,629 people, Michigan. The system provides water to 1 community: Marquette.
What type of water does MARQUETTE provide?
MARQUETTE 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 MI0004120.
How does MARQUETTE compare to other utilities in Michigan?
MARQUETTE scores 64/100 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.