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Sanilac, MI Tap Water Quality 2026

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

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

Main Utility: Sanilac Township PWSID: MI0005925 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 3.00 ppb, 20% of the action level and no violations are open. PFAS was sampled but not enough times for a compliance determination.

B

Sanilac earns a B for water quality

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

Lead: 3.00 ppb — 20% of the federal action level
PFAS sampled, too few results to judge
2 violations since 2015, 0 health-based
No violations currently open
Sanilac's lead level vs. all Michigan community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 3.00 ppb — 20% of the federal action level
✓ Lower lead than 40% of Michigan utilities
Population Served
806
~140 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
2 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
20% of EPA action level
3.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 3.00 ppb, 20% 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
Revised Total Coliform Rule REPORTING FAILURE — — 2022 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2020 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

2 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Sanilac Township
PWSID MI0005925
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 806
Service connections 140
Systems serving this area 3
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Sanilac tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 3.00 ppb, 20% of the action level.
Does Sanilac water have PFAS? ▼
It was sampled, but no sampling point had enough results for a compliance determination.
Who supplies water to Sanilac? ▼
Sanilac Township (PWSID MI0005925), one of 3 systems serving this area. Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2026-03-03. No significant deficiencies were recorded.

What Should Sanilac 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
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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