No open health-based violations on EPA record in the last 10 years.
Serves about 4,578 people (1,892 connections) with surface water bought from Beaver Falls Muni Auth and PA American Water Co Ellwood Cty.
From EPA's record for PA5040010. PurityMap is independent of North Sewickley Mun Water Auth.
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1 health-based violation in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From October 2025 | E. coli | – | – | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2025 to November 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorobutanesulfonic acid (PFBS) | 16 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Within the referenced health-based guidance value | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| Perfluorohexanoic acid (PFHxA) | 4.8 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| Perfluorobutanoic acid (PFBA) | 6 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| Perfluoropentanoic acid (PFPeA) | 4.8 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| 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 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| 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 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| 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 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| 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 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| 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 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| 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 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| 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 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| 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 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| 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 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| 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 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| 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 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| 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 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| 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 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| 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 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: NORTH SEWICKLEY MUN WATER AUTH (PA5040010) |
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 Sewickley Mun Water Auth's phone number on EPA record is 724-846-7480. Its mailing address is 893 MERCER RD, BEAVER FALLS, PA 15010.
According to EPA's record, North Sewickley Mun Water Auth uses surface water bought from Beaver Falls Muni Auth and PA American Water Co Ellwood Cty.
EPA's record shows 1 health-based violation for North Sewickley Mun Water Auth in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. EPA also lists 25 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in North Sewickley Mun Water Auth's latest lead and copper round, which ended in September 2025, was 3.7 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for North Sewickley Mun Water Auth. Its phone number on EPA record is 724-846-7480. Its mailing address on EPA record is 893 MERCER RD, BEAVER FALLS, PA 15010. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.