B64/100
LEBANON — Water Quality Report 2026
Serving 4,714 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL1630650
Violations
9
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 2, 2025 – August 6, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About LEBANON
Is LEBANON water safe to drink?
LEBANON water receives a grade of B (64/100), which is considered good. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has LEBANON detected?
31 contaminants were tested in LEBANON's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does LEBANON have any EPA violations?
Yes, LEBANON has 9 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, MCL, TT. 6 are health-based violations.
How many people does LEBANON serve?
LEBANON serves approximately 4,714 people, Illinois. The system provides water to 1 community: Lebanon.
What type of water does LEBANON provide?
LEBANON sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IL1630650.
How does LEBANON compare to other utilities in Illinois?
LEBANON scores 64/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Illinois state page for a full comparison of water systems.