- EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
- PFBA (a PFAS): found in 2 of 4 samples, average 3 ppt, highest 6.8 ppt (EPA UCMR 5 testing, Jun 2025–Jun 2026)
- Lead, 90th percentile: 0 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2022–Dec 31, 2024). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
- Health-based violation: Total Coliform Rules, Revised Total Coliform Rule, Sep 2021–Nov 2021 (EPA SDWIS)
Public EPA test results
Can you drink Madisonville tap water? What EPA records show
EPA KY0540936 · serves Hopkins County, KY · about 28,102 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
Madisonville Light & Water (EPA KY0540936)
ScoreYourWater.com gives no verdict on your tap water; it shows what the public records say, as of October 14, 2026. For Madisonville's main utility, Madisonville Light & Water: 1 health-based violation since July 1, 2021 in EPA records (EPA SDWIS). PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
What EPA records show for Madisonville Light & Water, as of October 14, 2026
Health-based violation: Total Coliform Rules, Revised Total Coliform Rule, Sep 2021–Nov 2021 (EPA SDWIS).
Lead, 90th percentile: 0 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2022–Dec 31, 2024). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Madisonville Light & Water use chloramine?
We didn't find chloramine in Madisonville Light & Water's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.
What EPA records show for this system
Reported results in EPA records (data as of Oct 14–15, 2026)