No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting September 2018.
Serves about 6,090 people (2,030 connections) with groundwater from its own wells.
From EPA's record for LA1097014. PurityMap is independent of Prairie Ronde Water System Inc.
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2 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From September 2018 | E. coli | – | – | Resolved |
| From September 2018 | E. coli | – | – | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from April 2025 to October 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 30.2 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 | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| 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 | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| 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 | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| 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 | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| 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 | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| 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 | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| 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 | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-14 to 2025-10-14 | UCMR5 Analytical Results: PRAIRIE RONDE WATER SYSTEM INC (LA1097014) |
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 →Prairie Ronde Water System Inc's phone number on EPA record is 337-543-6938. Its mailing address is PRAIRE RONDE WATER SYSTEM INC, P.O. BOX 219, LAWTELL, LA 70550.
According to EPA's record, Prairie Ronde Water System Inc uses groundwater from its own wells.
EPA's record shows 2 health-based violations for Prairie Ronde Water System Inc 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 September 2018. EPA also lists 2 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 Prairie Ronde Water System Inc's latest lead and copper round, which ended in December 2026. The federal action level is 15 µg/L.
PurityMap has no verified website for Prairie Ronde Water System Inc. Its phone number on EPA record is 337-543-6938. Its mailing address on EPA record is PRAIRE RONDE WATER SYSTEM INC, P.O. BOX 219, LAWTELL, LA 70550. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.