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Ste. Marie, IL Tap Water Quality 2026

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

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

Main Utility: Ej Water Cooperative PWSID: IL0790010 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. No PFAS was detected.

A

Ste. Marie earns an A for water quality

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

Lead: not detected
PFAS tested, none detected
27 violations since 2015, 1 health-based
No violations currently open
Ste. Marie's lead level vs. all Illinois community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Illinois utilities
Population Served
150
~11888 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
27 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Public Notice OTHER — — 2026 Resolved
Public Notice OTHER — — 2026 Resolved
Consumer Confidence Rule OTHER — — 2025 Unaddressed
Cryptosporidium MONITORING AND REPORTING — — 2025 Resolved
Turbidity MONITORING AND REPORTING — TT 2025 Resolved
Cryptosporidium MONITORING AND REPORTING — — 2025 Resolved
E. COLI MONITORING AND REPORTING — 0 2025 Resolved
Turbidity MONITORING AND REPORTING — TT 2024 Resolved
E. COLI MONITORING AND REPORTING — 0 2024 Resolved
Chlorite MONITORING AND REPORTING — 1.0 mg/L 2024 Resolved
Turbidity MONITORING AND REPORTING — TT 2024 Resolved
Cryptosporidium MONITORING AND REPORTING — — 2024 Resolved
E. COLI MONITORING AND REPORTING — 0 2024 Resolved
Turbidity MONITORING AND REPORTING — TT 2024 Resolved
Cryptosporidium MONITORING AND REPORTING — — 2024 Resolved
E. COLI MONITORING AND REPORTING — 0 2024 Resolved
Turbidity MONITORING AND REPORTING — TT 2024 Resolved
Cryptosporidium MONITORING AND REPORTING — — 2024 Resolved
E. COLI MONITORING AND REPORTING — 0 2024 Resolved
Turbidity MONITORING AND REPORTING — TT 2024 Resolved
Cryptosporidium MONITORING AND REPORTING — — 2024 Resolved
E. COLI MONITORING AND REPORTING — 0 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Resolved
Chlorite MONITORING AND REPORTING — 1.0 mg/L 2022 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2018 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2018 Resolved
Coliform (TCR) MCL EXCEEDANCE — 5% of samples 2015 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

27 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 Ej Water Cooperative
PWSID IL0790010
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 150
Service connections 11,888
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Ste. Marie tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Ste. Marie water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Ste. Marie? ▼
Ej Water Cooperative (PWSID IL0790010), 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 2026-02-23. No significant deficiencies were recorded.

What Should 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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