No open health-based violations on EPA record in the last 10 years.
Serves about 4,254 people (1,418 connections) with groundwater from its own wells, and buys water from Town of Duson Water System.
From EPA's record for LA1001022. PurityMap is independent of South Rayne Water Corporation.
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3 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From December 2021 | Groundwater Rule | – | – | Resolved |
| From December 2021 | Groundwater Rule | – | – | Resolved |
| From December 2021 | Groundwater Rule | – | – | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from March 2025 to September 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 17.2 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Above the referenced health-based guidance value | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| 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 | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| 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 | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| 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 | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| 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 | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| 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 | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| 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 | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-05 to 2025-09-16 | UCMR5 Analytical Results: SOUTH RAYNE WATER CORPORATION (LA1001022) |
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 →South Rayne Water Corporation's phone number on EPA record is 337-334-4325. Its mailing address is South Rayne Water Corporation, P.O. Box 839, RAYNE, LA 70578.
According to EPA's record, South Rayne Water Corporation uses groundwater from its own wells, and buys water from Town of Duson Water System.
EPA's record shows 3 health-based violations for South Rayne Water Corporation in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. EPA also lists 1 missed or late test or report in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in South Rayne Water Corporation's latest lead and copper round, which ended in December 2024, was 1 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for South Rayne Water Corporation. Its phone number on EPA record is 337-334-4325. Its mailing address on EPA record is South Rayne Water Corporation, P.O. Box 839, RAYNE, LA 70578. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.