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St. Anne, IL Tap Water Quality 2026

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

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

Main Utility: St Anne PWSID: IL0910700 Updated: 2026 Q2
✅

No federal limits exceeded on record

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

B

St. Anne earns a B for water quality

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

Lead: not detected
PFAS never sampled at this system
40 violations since 2015, 0 health-based
No violations currently open
St. Anne'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
1138
~453 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
40 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
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2025 Archived
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2025 Archived
Public Notice OTHER — — 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2023 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2023 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2023–2025 Archived
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2023–2025 Archived
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2023–2025 Archived
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2023–2025 Archived
Simazine MONITORING AND REPORTING — 0.004 mg/L 2023–2025 Archived
Endrin MONITORING AND REPORTING — 0.002 mg/L 2023–2025 Archived
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2023–2025 Archived
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2023–2025 Archived
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2023–2025 Archived
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2023–2025 Archived
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2023–2025 Archived
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2023–2025 Archived
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2023–2025 Archived
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2023–2025 Archived
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2023–2025 Archived
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2023–2025 Archived
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2023–2025 Archived
LASSO MONITORING AND REPORTING — — 2023–2025 Archived
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2023–2025 Archived
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2023–2025 Archived
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2023–2025 Archived
Picloram MONITORING AND REPORTING — 0.5 mg/L 2023–2025 Archived
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2023–2025 Archived
Endothall MONITORING AND REPORTING — 0.1 mg/L 2023–2025 Archived
Diquat MONITORING AND REPORTING — 0.02 mg/L 2023–2025 Archived
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2023–2025 Archived
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2023–2025 Archived
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2023–2025 Archived
Consumer Confidence Rule OTHER — — 2021 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2020 Resolved
Total Polychlorinated Biphenyls (PCB) MONITORING AND REPORTING — 0.0005 mg/L 2020–2022 Resolved
Consumer Confidence Rule OTHER — — 2019 Resolved
Consumer Confidence Rule OTHER — — 2017 Resolved
Consumer Confidence Rule OTHER — — 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

40 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 St Anne
PWSID IL0910700
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 1,138
Service connections 453
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is St. Anne tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does St. Anne 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 St. Anne? ▼
St Anne (PWSID IL0910700). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-04-23. Inspectors recorded 2 significant deficiencies.

What Should St. Anne 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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