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 9,460 people (1,689 connections) with surface water bought from Providence Water and Greenville Water District.
From EPA's record for RI1615616. PurityMap is independent of Smithfield Water Supply Board.
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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 |
|---|---|---|---|---|
| Apr–Jun 2018 | Total trihalomethanes (TTHM) | 0.081 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2018 | Total trihalomethanes (TTHM) | 81 µg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2017 | Total trihalomethanes (TTHM) | 81 µg/L | 0.080 mg/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2025 to September 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 | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| 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 | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| 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 | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| 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 | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| 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 | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| 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 | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| 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 | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-09-03 | UCMR5 Analytical Results: SMITHFIELD WATER SUPPLY BOARD (RI1615616) |
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 →Smithfield Water Supply Board's phone number on EPA record is 401-233-1034. Its mailing address is 64 Farnum Pike, SMITHFIELD, RI 02917.
According to EPA's record, Smithfield Water Supply Board uses surface water bought from Providence Water and Greenville Water District.
EPA's record shows 3 health-based violations for Smithfield Water Supply Board 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.
The 90th-percentile lead result in Smithfield Water Supply Board's latest lead and copper round, which ended in December 2025, was 1.53 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Smithfield Water Supply Board. Its phone number on EPA record is 401-233-1034. Its mailing address on EPA record is 64 Farnum Pike, SMITHFIELD, RI 02917. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.