HOUMA WATER TREATMENT SERVICE AREA

HOUMA, LA · ~11,658 people served

Check your exact address → HOUMA overview

100

Excellent

PurityRadar safety score

PWSID

LA1109001

State

Louisiana

City

HOUMA

Population served

11,658

Primary source

Surface water

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Mar 2024). Levels in parts per trillion (ppt).

Lithium

9,980 ppt

limit —

No federal limit

PFBA

5.2 ppt

limit —

No federal limit

PFPeA

3.7 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2023. Official EPA record →

Monitoring & reporting · EPA contaminant 1008 began Jul 2020 Resolved

Other · EPA contaminant 7500 began Apr 2018 Resolved

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2018 Resolved

Other · EPA contaminant 7000 began Oct 2017 Resolved

Other · EPA contaminant 7000 began Jul 2017 Resolved

Other · EPA contaminant 7000 began Jul 2008 Resolved

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2002 Resolved

Recent enforcement actions

State action · SIF Jul 2023
State action · SOX Jun 2023
State action · SOX Sep 2020
State action · SIF Sep 2020
State action · SIE Aug 2020
State action · SIA Aug 2020
State action · SIA Jul 2018
State action · SOX Apr 2018

This profile is built from EPA public records for system LA1109001 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.