States ›Michigan ›St. Clair County ›Yale

Yale, MI Tap Water Quality 2026

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

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

Main Utility: Yale, City Of PWSID: MI0007230 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead has not been reported for this system and no violations are open. PFAS has never been sampled at this system.

B

Yale earns a B for water quality

Graded on violations alone, with state inspection findings. PFAS not tested. Lead not reported.

Lead: not reported
PFAS never sampled at this system
13 violations since 2015, 1 health-based
No violations currently open
Yale's lead level vs. all Michigan community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: — 0% of the federal action level
✓ Lower lead than % of Michigan utilities
Population Served
1903
~805 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
13 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Action level: 15 ppb
No lead result has been reported for this system in the current window. That is a gap in state reporting, not a finding of safety.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2025 Unaddressed
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2025 Resolved
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2025 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2025 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2022 Resolved
Consumer Confidence Rule OTHER — — 2021 Resolved
Stage 1 Disinfectants and Disinfection Byproducts Rule TREATMENT TECHNIQUE — — 2021 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2020–2021 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2020–2021 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2020 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2015 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015–2016 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015–2016 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

13 violations are on record since 2015, of which 1 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Yale, City Of
PWSID MI0007230
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 1,903
Service connections 805
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Yale tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Yale 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 Yale? ▼
Yale, City Of (PWSID MI0007230). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2026-02-04. No significant deficiencies were recorded.

What Should Yale 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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