No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting April 2018.
Serves about 3,722 people (1,489 connections) with groundwater from its own wells.
From EPA's record for ME0091470. PurityMap is independent of South Berwick Water District.
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3 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From April 2018 | Arsenic | 0.011 mg/L | 0.010 mg/L | Resolved |
| From January 2017 | Arsenic | 0.011 mg/L | 0.010 mg/L | Resolved |
| From October 2016 | Arsenic | 0.012 mg/L | 0.010 mg/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, in June 2025.
| 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 | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| 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 | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| 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 | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| 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 | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| 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 | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| 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 | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| 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 | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-06-16 | UCMR5 Analytical Results: SOUTH BERWICK WATER DISTRICT (ME0091470) |
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 →South Berwick Water District's phone number on EPA record is 207-384-2257. Its mailing address is 80 BERWICK ROAD, SOUTH BERWICK, ME 03908.
According to EPA's record, South Berwick Water District uses groundwater from its own wells.
EPA's record shows 3 health-based violations for South Berwick Water District 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 April 2018. EPA also lists 2 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in South Berwick Water District'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 South Berwick Water District. Its phone number on EPA record is 207-384-2257. Its mailing address on EPA record is 80 BERWICK ROAD, SOUTH BERWICK, ME 03908. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.