No health-based violations on EPA record since 2016.
Serves about 8,522 people (3,297 connections) with surface water bought from Lehigh County Authority (Allentown) and SWT Main System.
From EPA's record for PA3390062. PurityMap is independent of Salisbury Twp Water System.
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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, from January 2025 to October 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanoic acid (PFOA) | 4.5 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluorooctanesulfonic acid (PFOS) | 4.2 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluorobutanesulfonic acid (PFBS) | 3.2 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 | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluorohexanoic acid (PFHxA) | 4.1 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluoropentanoic acid (PFPeA) | 5.6 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| 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 | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| 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 | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| 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 | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| 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 | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| 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 | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| 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 | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-22 to 2025-10-20 | UCMR5 Analytical Results: SALISBURY TWP WATER SYSTEM (PA3390062) |
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 →Salisbury Twp Water System's phone number on EPA record is 610-797-4000. Its mailing address is 3000 S PIKE AVE, ALLENTOWN, PA 18103.
According to EPA's record, Salisbury Twp Water System uses surface water bought from Lehigh County Authority (Allentown) and SWT Main System.
No health-based violations on EPA record since 2016. EPA also lists 3 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Salisbury Twp Water System's latest lead and copper round, which ended in September 2025, was 3 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Salisbury Twp Water System. Its phone number on EPA record is 610-797-4000. Its mailing address on EPA record is 3000 S PIKE AVE, ALLENTOWN, PA 18103. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.