No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting April 2018.
Serves about 4,245 people (1,698 connections) with groundwater from its own wells.
From EPA's record for AR0000449. PurityMap is independent of Des Arc Waterworks.
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7 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Apr–Jun 2018 | Total trihalomethanes (TTHM) | 90 µg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2018 | Total trihalomethanes (TTHM) | 89 µg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2017 | Total trihalomethanes (TTHM) | 92 µg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2017 | Total trihalomethanes (TTHM) | 94 µg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2017 | Total trihalomethanes (TTHM) | 98 µg/L | 0.080 mg/L | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jan–Mar 2017 | Total trihalomethanes (TTHM) | 100 µg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2016 | Total trihalomethanes (TTHM) | 99 µg/L | 0.080 mg/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from April 2023 to October 2023.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| 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 | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| 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 | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| 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 | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| 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 | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| 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 | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Lithium | < 9 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| 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 | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2023-10-11 | UCMR5 Analytical Results: DES ARC WATERWORKS (AR0000449) |
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 →Des Arc Waterworks's phone number on EPA record is 870-256-3366. Its mailing address is P O BOX 389, DES ARC, AR 72040.
According to EPA's record, Des Arc Waterworks uses groundwater from its own wells.
EPA's record shows 7 health-based violations for Des Arc Waterworks 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 April 2018. 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 Des Arc Waterworks's latest lead and copper round, which ended in December 2025, was 1 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Des Arc Waterworks. Its phone number on EPA record is 870-256-3366. Its mailing address on EPA record is P O BOX 389, DES ARC, AR 72040. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.