No health-based violations on EPA record since 2016.
Serves about 9,900 people (326 connections) with groundwater from its own wells, and buys water from Portsmouth Water Works.
From EPA's record for NH1951020. PurityMap is independent of Pease Trade Port.
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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, in May 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorobutanoic acid (PFBA) | 15.1 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| 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 | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| 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 | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| 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 | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| 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 | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| 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 | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| 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 | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| 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 | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-12 | UCMR5 Analytical Results: PEASE TRADE PORT (NH1951020) |
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 →According to EPA's record, Pease Trade Port uses groundwater from its own wells, and buys water from Portsmouth Water Works.
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 Pease Trade Port's latest lead and copper round, which ended in December 2024. The federal action level is 15 µg/L.
PurityMap has no verified website for Pease Trade Port. Its mailing address on EPA record is 55 INTERNATIONAL DR, PORTSMOUTH, NH 03801. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.