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Mathias, MI Tap Water Quality 2026

Water quality report for Mathias, MI — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Mathias's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Mathias Township PWSID: MI0004152 Updated: 2026 Q2
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1 violation currently open

Lead is 2.00 ppb, 13% of the action level. PFAS has never been sampled at this system.

C

Mathias earns a C for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 2.00 ppb — 13% of the federal action level
PFAS never sampled at this system
8 violations since 2015, 1 health-based
1 violation currently open
Mathias's lead level vs. all Michigan community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 2.00 ppb — 13% of the federal action level
✓ Lower lead than 66% of Michigan utilities
Population Served
33
~76 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
1
1 open of 8 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
13% of EPA action level
2.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 2.00 ppb, 13% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Consumer Confidence Rule OTHER — — 2025 Resolved
Nitrite MONITORING AND REPORTING — 1 mg/L 2025 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Unaddressed
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Unaddressed
Revised Total Coliform Rule REPORTING FAILURE — — 2024 Resolved
Consumer Confidence Rule OTHER — — 2023 Resolved
Consumer Confidence Rule OTHER — — 2021 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2017 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

1 violation remains open, out of 8 recorded since 2015 (1 health-based).

About the Main Water System

Utility Mathias Township
PWSID MI0004152
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 33
Service connections 76
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Mathias tap water safe to drink? ▼
No federal limit is exceeded on record. 1 violation(s) remain open. Lead is 2.00 ppb, 13% of the action level.
Does Mathias water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Mathias? ▼
Mathias Township (PWSID MI0004152). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-01-27. No significant deficiencies were recorded.

What Should Mathias Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Follow the open violation
This system has an unresolved violation. Contact the supplier for its corrective-action schedule.

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