- EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
- Lithium: found in 2 of 2 samples, average 28.8 µg/L, highest 31.8 µg/L (EPA UCMR 5 testing, Apr 2024–Oct 2025)
- Lead: 9 in 10 homes tested came in at or below 4.61 ppb, at or below EPA's 15 ppb action level (latest EPA result for a testing period that ran on or after July 1, 2021: Jan 1, 2022–Dec 31, 2024). This is one number for the whole water system, from homes the utility tested. It isn't a result for your home.
Public EPA test results
Can you drink Liberty tap water? What EPA records show
EPA system ID MO1010466 · serves Liberty, MO · about 30,800 people (EPA records)
Here's what EPA has on file for this water system: its testing for newer contaminants like PFAS (UCMR 5), lead testing and violations. It's not a test of your tap, and there's no Water Score here.
Public EPA test results
Liberty PWS (EPA MO1010466)
EPA data as of October 14, 2026. For Liberty's main utility, Liberty PWS: We found no health-standard violations in EPA's records for this system (MO1010466) since July 1, 2021, as of October 14, 2026. PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
What EPA records show for Liberty PWS, as of October 14, 2026
We found no health-standard violations in EPA's records for this system (MO1010466) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Liberty PWS (SDWIS). Data as of October 14, 2026.
Lead: 9 in 10 homes tested came in at or below 4.61 ppb, at or below EPA's 15 ppb action level (latest EPA result for a testing period that ran on or after July 1, 2021: Jan 1, 2022–Dec 31, 2024). This is one number for the whole water system, from homes the utility tested. 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 Liberty PWS use chloramine?
EPA treatment records (state-reported) list chloramines for Liberty PWS. EPA record