B63/100
MATTAWAN — Water Quality Report 2026
Serving 2,550 people · Michigan
Water Source
Groundwater
County
—
System ID
MI0004177
Violations
14
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 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 MATTAWAN
Is MATTAWAN water safe to drink?
MATTAWAN water receives a grade of B (63/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MATTAWAN detected?
1 contaminants were tested in MATTAWAN's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MATTAWAN have any EPA violations?
Yes, MATTAWAN has 14 EPA violation(s) on record, with the most recent in 2020. Violation types include Other, MR, MCL. 5 are health-based violations.
How many people does MATTAWAN serve?
MATTAWAN serves approximately 2,550 people, Michigan. The system provides water to 1 community: Mattawan.
What type of water does MATTAWAN provide?
MATTAWAN sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0004177.
How does MATTAWAN compare to other utilities in Michigan?
MATTAWAN scores 63/100 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.