- EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
- Lithium: found in 22 of 24 samples, average 14.8 µg/L, highest 28.5 µg/L (EPA UCMR 5 testing, Oct 2023–Apr 2024)
Public EPA test results
What EPA records show for Tangipahoa Parish Water District
EPA LA1105008 · serves Tangipahoa Parish County, LA · about 75,873 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
Tangipahoa Parish Water District (EPA LA1105008)
What EPA records show for Tangipahoa Parish Water District, as of October 14, 2026
5 health-based violations since July 1, 2021 in EPA records (EPA SDWIS).
Lead, 90th percentile: 1.6 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, 2023–Dec 31, 2025). 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 Tangipahoa Parish Water District use chloramine?
EPA treatment records (state-reported) list chloramines for Tangipahoa Parish Water District. EPA record
What EPA records show for this system
Reported results in EPA records (data as of Oct 14–15, 2026)