No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting January 2018.
Serves about 3,388 people (1,500 connections) with groundwater bought from Clay Co Reg Water District.
From EPA's record for AR0000096. PurityMap is independent of Corning Waterworks.
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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 January 2018 | Combined radium-226/228 | 6.5 pCi/L | 5 pCi/L | Resolved |
| From October 2017 | Combined radium-226/228 | 6.5 pCi/L | 5 pCi/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from January 2023 to July 2023.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 52.4 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 | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| 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 | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| 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 | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| 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 | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| 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 | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| 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 | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| 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 | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-11 to 2023-07-12 | UCMR5 Analytical Results: CORNING WATERWORKS (AR0000096) |
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 →Corning Waterworks's phone number on EPA record is 870-857-6001. Its mailing address is P O BOX 538, CORNING, AR 72422.
According to EPA's record, Corning Waterworks uses groundwater bought from Clay Co Reg Water District.
EPA's record shows 2 health-based violations for Corning 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 January 2018. EPA also lists 6 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Corning 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 Corning Waterworks. Its phone number on EPA record is 870-857-6001. Its mailing address on EPA record is P O BOX 538, CORNING, AR 72422. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.