Haloacetic acids (HAA5) above the legal limit in the period starting October 2025.
Serves about 5,200 people (2,080 connections) with surface water bought from Tri-County Water Distbr Dist and Clarksville Connected Utilities.
From EPA's record for AR0000772. PurityMap is independent of East Johnson Co Water Assn.
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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 |
|---|---|---|---|---|
| Oct–Dec 2025 | Haloacetic acids (HAA5) | 61 µg/L | 0.060 mg/L | Archived |
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2023 to January 2024.
| 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 | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| 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 | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| 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 | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| 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 | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| 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 | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| 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 | 2023-02-08 to 2023-11-08 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2023-11-08 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2023-11-08 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| 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 | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2023-11-08 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2023-11-08 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-08 to 2024-01-31 | UCMR5 Analytical Results: EAST JOHNSON CO WATER ASSN (AR0000772) |
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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.
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Follow this water →East Johnson Co Water Assn's phone number on EPA record is 479-979-7984. Its mailing address is P O BOX 330, LAMAR, AR 72846.
According to EPA's record, East Johnson Co Water Assn uses surface water bought from Tri-County Water Distbr Dist and Clarksville Connected Utilities.
EPA's record shows 1 health-based violation for East Johnson Co Water Assn in the 10 years to July 9, 2026. Haloacetic acids (HAA5) were above the legal limit in the period starting October 2025. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in East Johnson Co Water Assn's latest lead and copper round, which ended in December 2022, was 1 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for East Johnson Co Water Assn. Its phone number on EPA record is 479-979-7984. Its mailing address on EPA record is P O BOX 330, LAMAR, AR 72846. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.