No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting January 2018.
Serves about 11,658 people (3,886 connections) with surface water from its own intake, and buys water from Schriever Water Treatment Service Area.
From EPA's record for LA1109001. PurityMap is independent of Houma Water Treatment Service Area.
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1 health-based violation in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jan–Mar 2018 | Total trihalomethanes (TTHM) | 81 µg/L | 0.080 mg/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from June 2023 to March 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 9.98 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Within the referenced health-based guidance value | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluorobutanoic acid (PFBA) | 8 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluoropentanoic acid (PFPeA) | 3.7 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| 1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| 1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| 1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluorobutanesulfonic acid (PFBS) | < 3 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-13 to 2024-03-06 | UCMR5 Analytical Results: HOUMA WATER TREATMENT SERVICE AREA (LA1109001) |
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
Get PurityMap updates about this water system.
Follow this water →Houma Water Treatment Service Area's phone number on EPA record is 985-879-2495. Its mailing address is P. O. Box 630, HOUMA, LA 70361.
According to EPA's record, Houma Water Treatment Service Area uses surface water from its own intake, and buys water from Schriever Water Treatment Service Area.
EPA's record shows 1 health-based violation for Houma Water Treatment Service Area in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The latest legal-limit breach on record was in the period starting January 2018. EPA also lists 4 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Houma Water Treatment Service Area's latest lead and copper round, which ended in December 2023. The federal action level is 15 µg/L.
PurityMap has no verified website for Houma Water Treatment Service Area. Its phone number on EPA record is 985-879-2495. Its mailing address on EPA record is P. O. Box 630, HOUMA, LA 70361. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.