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Sault Ste. Marie, MI Tap Water Quality 2026

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

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

Main Utility: Sault Ste Marie PWSID: MI0005950 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.50 ppb, 10% of the action level and no violations are open. No PFAS was detected.

A

Sault Ste. Marie earns an A for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: 1.50 ppb — 10% of the federal action level
PFAS tested, none detected
8 violations since 2015, 1 health-based
No violations currently open
Sault Ste. Marie's lead level vs. all Michigan community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.50 ppb — 10% of the federal action level
✓ Lower lead than 75% of Michigan utilities
Population Served
11572
~5104 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
8 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
10% of EPA action level
1.50 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.50 ppb, 10% 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
TTHM MONITORING AND REPORTING — 0.080 mg/L 2020 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2020 Resolved
Stage 1 Disinfectants and Disinfection Byproducts Rule TREATMENT TECHNIQUE — — 2020 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2020 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2020 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2019 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2019 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

8 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 Sault Ste Marie
PWSID MI0005950
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 11,572
Service connections 5,104
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Sault Ste. Marie tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.50 ppb, 10% of the action level.
Does Sault Ste. Marie water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Sault Ste. Marie? ▼
Sault Ste Marie (PWSID MI0005950), one of 2 systems serving this area. Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2025-02-20. No significant deficiencies were recorded.

What Should Sault Ste. Marie 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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