No health-based violations on EPA record since 2016.
Serves about 7,067 people (377 connections) with groundwater from its own wells.
From EPA's record for HI0000341. PurityMap is independent of Fort Shafter.
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No health-based violations in the last 10 years, from EPA's SDWIS compliance database.
EPA required this system to test for 30 unregulated and emerging contaminants, from June 2023 to December 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 | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| 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 | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| 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 | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| 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 | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| 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 | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| 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 | 2023-06-28 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-28 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-28 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| 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 | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-28 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-28 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-08 to 2023-12-05 | UCMR5 Analytical Results: FORT SHAFTER (HI0000341) |
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 →Fort Shafter's phone number on EPA record is 808-656-3107. Its mailing address is ENVIRONMENTAL DIVISION, 947 WRIGHT AVENUE, SCHOFIELD BARRACKS, HI 96857-5013.
According to EPA's record, Fort Shafter uses groundwater from its own wells.
No health-based violations on EPA record since 2016. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Fort Shafter's latest lead and copper round, which ended in December 2022. The federal action level is 15 µg/L.
PurityMap has no verified website for Fort Shafter. Its phone number on EPA record is 808-656-3107. Its mailing address on EPA record is ENVIRONMENTAL DIVISION, 947 WRIGHT AVENUE, SCHOFIELD BARRACKS, HI 96857-5013. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.