C58/100
MADISONVILLE LIGHT & WATER — Water Quality Report 2026
Serving 28,102 people · Kentucky
Water Source
Surface Water
County
—
System ID
KY0540936
Violations
19
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 504.00 µg/L | — | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
1
Health-Related
TIER 1 — URGENTResolved
Maximum Contaminant Level Violation
When: September 1, 2021 – September 30, 2021Rule: Total Coliform 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 MADISONVILLE LIGHT & WATER
Is MADISONVILLE LIGHT & WATER water safe to drink?
MADISONVILLE LIGHT & WATER water receives a grade of C (58/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 19 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MADISONVILLE LIGHT & WATER detected?
69 contaminants were tested in MADISONVILLE LIGHT & WATER's water. Notable contaminants include chlorate. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MADISONVILLE LIGHT & WATER have any EPA violations?
Yes, MADISONVILLE LIGHT & WATER has 19 EPA violation(s) on record, with the most recent in 2021. Violation types include MCL, Other, MR. 5 are health-based violations.
How many people does MADISONVILLE LIGHT & WATER serve?
MADISONVILLE LIGHT & WATER serves approximately 28,102 people, Kentucky.
What type of water does MADISONVILLE LIGHT & WATER provide?
MADISONVILLE LIGHT & WATER sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is KY0540936.
How does MADISONVILLE LIGHT & WATER compare to other utilities in Kentucky?
MADISONVILLE LIGHT & WATER scores 58/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Kentucky state page for a full comparison of water systems.