No health-based violations on EPA record since 2016.
Serves about 4,933 people (1,827 connections) with groundwater from its own wells.
From EPA's record for HI0000129. PurityMap is independent of North Kohala.
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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 May 2023 to November 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 | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| 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 | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| 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 | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| 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 | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| 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 | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| 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 | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| 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 | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-10 to 2023-11-13 | UCMR5 Analytical Results: NORTH KOHALA (HI0000129) |
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 →North Kohala's phone number on EPA record is 808-961-8050. Its mailing address is DEPARTMENT OF WATER SUPPLY, 345 KEKUANAOA STREET, SUITE 20, HILO, HI 96720.
According to EPA's record, North Kohala 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 North Kohala's latest lead and copper round, which ended in December 2021. The federal action level is 15 µg/L.
PurityMap has no verified website for North Kohala. Its phone number on EPA record is 808-961-8050. Its mailing address on EPA record is DEPARTMENT OF WATER SUPPLY, 345 KEKUANAOA STREET, SUITE 20, HILO, HI 96720. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.