No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting July 2023.
Serves about 465 people (102 connections) with surface water bought from Hampstead Area Water.
From EPA's record for NH1931010. PurityMap is independent of Plaistow Water Dept.
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4 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jul–Sep 2023 | Haloacetic acids (HAA5) | 0.072 mg/L | 0.060 mg/L | Resolved |
| Apr–Jun 2023 | Haloacetic acids (HAA5) | 0.076 mg/L | 0.060 mg/L | Resolved |
| Jan–Mar 2023 | Haloacetic acids (HAA5) | 0.093 mg/L | 0.060 mg/L | Resolved |
| Oct–Dec 2022 | Haloacetic acids (HAA5) | 0.139 mg/L | 0.060 mg/L | Resolved |
No lab results for other contaminants (like PFAS) are on file for this system. EPA required that testing from systems serving more than 3,300 people, plus a sample of smaller ones.
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.
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Follow this water →According to EPA's record, Plaistow Water Dept uses surface water bought from Hampstead Area Water.
EPA's record shows 4 health-based violations for Plaistow Water Dept 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 July 2023. The record comes from EPA's SDWIS compliance database.
PurityMap has no verified website for Plaistow Water Dept. Its mailing address on EPA record is 54 SAWYER AVE, ATKINSON, NH 03811. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.