States ›Illinois ›St. Clair County ›Lebanon

Lebanon, IL Tap Water Quality 2026

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

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

Main Utility: Lebanon PWSID: IL1630650 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 12.20 ppb, 81% of the action level and no violations are open. No PFAS was detected.

C

Lebanon earns a C for water quality

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

Lead: 12.20 ppb — 81% of the federal action level
PFAS tested, none detected
5 violations since 2015, 2 health-based
No violations currently open
Lebanon's lead level vs. all Illinois community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 12.20 ppb — 81% of the federal action level
✓ Lower lead than 4% of Illinois utilities
Population Served
4542
~1929 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
5 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
81% of EPA action level
12.20 ppb
Action level: 15 ppb
The 90th-percentile lead result is 12.20 ppb, 81% 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 2026 Archived
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2026 Archived
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2025 Resolved
TTHM MCL EXCEEDANCE 0.088 MG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 0.087 MG/L 0.080 mg/L 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

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

About the Main Water System

Utility Lebanon
PWSID IL1630650
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 4,542
Service connections 1,929
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Lebanon tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 12.20 ppb, 81% of the action level.
Does Lebanon water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Lebanon? ▼
Lebanon (PWSID IL1630650). Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2025-03-14. Inspectors recorded 2 significant deficiencies.

What Should Lebanon Residents Do?

1
Consider a filter certified for lead
Look for NSF/ANSI 53 certification for lead reduction.
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.

Nearby Cities in Illinois

Belleville, Il Tap Water Quality 2026 St. Clair O'Fallon, Il Tap Water Quality 2026 St. Clair East St. Louis, Il Tap Water Quality 2026 St. Clair Swansea, Il Tap Water Quality 2026 St. Clair Shiloh, Il Tap Water Quality 2026 St. Clair Fairview Heights, Il Tap Water Quality 2026 St. Clair