- EPA's UCMR 5 testing looked for 30 contaminants here and found 6.
- Lithium: found in 3 of 4 samples, average 15.3 µg/L, highest 21 µg/L (EPA UCMR 5 testing, Oct 2023–Apr 2024)
- PFBA (a PFAS): found in 1 of 4 samples, average 3.6 ppt, highest 14.2 ppt (EPA UCMR 5 testing, Oct 2023–Apr 2024)
- PFOA (a PFAS): found in 1 of 4 samples, average 1.5 ppt, highest 6.2 ppt (EPA UCMR 5 testing, Oct 2023–Apr 2024)
- PFOS (a PFAS): found in 1 of 4 samples, average 1.5 ppt, highest 6 ppt (EPA UCMR 5 testing, Oct 2023–Apr 2024)
- PFPeA (a PFAS): found in 1 of 4 samples, average 0.80 ppt, highest 3.2 ppt (EPA UCMR 5 testing, Oct 2023–Apr 2024)
- PFBS (a PFAS): found in 1 of 4 samples, average 0.80 ppt, highest 3 ppt (EPA UCMR 5 testing, Oct 2023–Apr 2024)
- Lead, 90th percentile: 1 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, 2024–Dec 31, 2026). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
Public EPA test results
Can you drink Plaquemine tap water? What EPA records show
EPA LA1047005 · serves Iberville Parish County, LA · about 14,043 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
City of Plaquemine Water System (EPA LA1047005)
EPA data as of October 14, 2026. For Plaquemine's main utility, City of Plaquemine Water System: We found no health-based violations in EPA's records for this system (LA1047005) since July 1, 2021, as of October 14, 2026. EPA's UCMR 5 testing looked for 30 contaminants here and found 6. This is public data, not a test of your tap.
What EPA records show for City of Plaquemine Water System, as of October 14, 2026
We found no health-based violations in EPA's records for this system (LA1047005) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for City of Plaquemine Water System (SDWIS). Data as of October 14, 2026.
Lead, 90th percentile: 1 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, 2024–Dec 31, 2026). 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 6.
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 City of Plaquemine Water System use chloramine?
EPA treatment records (state-reported) list chloramines for City of Plaquemine Water System. EPA record