No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting July 2025.
Serves about 7,198 people (2,841 connections) with surface water bought from Dardanelle Waterworks and Danville Waterworks.
From EPA's record for AR0000697. PurityMap is independent of Ne Yell County Water Assoc.
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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 |
|---|---|---|---|---|
| Jul–Sep 2025 | Total trihalomethanes (TTHM) | 82 µg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2021 | Total trihalomethanes (TTHM) | 86 µg/L | 0.080 mg/L | Archived |
| Jan–Mar 2021 | Total trihalomethanes (TTHM) | 92 µg/L | 0.080 mg/L | Archived |
| Oct–Dec 2020 | Total trihalomethanes (TTHM) | 111 µg/L | 0.080 mg/L | Archived |
| Jul–Sep 2020 | Total trihalomethanes (TTHM) | 107 µg/L | 0.080 mg/L | Archived |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Apr–Jun 2020 | Total trihalomethanes (TTHM) | 95 µg/L | 0.080 mg/L | Archived |
| Jan–Mar 2020 | Total trihalomethanes (TTHM) | 83 µg/L | 0.080 mg/L | Archived |
EPA required this system to test for 30 unregulated and emerging contaminants, from March 2025 to September 2025.
| 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 | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| 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 | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| 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 | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| 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 | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| 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 | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| 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 | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| 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 | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-03-26 to 2025-09-17 | UCMR5 Analytical Results: NE YELL COUNTY WATER ASSOC (AR0000697) |
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 →Ne Yell County Water Assoc's phone number on EPA record is 479-477-0643. Its mailing address is 2443 HWY 22 W, DARDANELLE, AR 72834.
According to EPA's record, Ne Yell County Water Assoc uses surface water bought from Dardanelle Waterworks and Danville Waterworks.
EPA's record shows 7 health-based violations for Ne Yell County Water Assoc 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 July 2025. 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 Ne Yell County Water Assoc'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 Ne Yell County Water Assoc. Its phone number on EPA record is 479-477-0643. Its mailing address on EPA record is 2443 HWY 22 W, DARDANELLE, AR 72834. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.