No open health-based violations on EPA record in the last 10 years.
Serves about 9,100 people (3,353 connections) with surface water from its own intake, and buys water from Mawc Yough Plant.
From EPA's record for PA5260009. PurityMap is independent of Muni Auth of Washington Twp.
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2 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From December 2022 | Groundwater Rule | – | – | Resolved |
| From January 2022 | 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 |
|---|---|---|---|---|---|
| 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 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| 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 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| 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 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| 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 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| 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 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| 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 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| 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 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| 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 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| 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 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| 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 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| 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 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| 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 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| 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 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| 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 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| 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 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| 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 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-18 | UCMR5 Analytical Results: MUNI AUTH OF WASHINGTON TWP (PA5260009) |
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 →Muni Auth of Washington Twp's phone number on EPA record is 724-929-3370. Its mailing address is 1390 FAYETTE AVE, BELLE VERNON, PA 15012.
According to EPA's record, Muni Auth of Washington Twp uses surface water from its own intake, and buys water from Mawc Yough Plant.
EPA's record shows 2 health-based violations for Muni Auth of Washington Twp in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. EPA also lists 29 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Muni Auth of Washington Twp's latest lead and copper round, which ended in September 2025, was 2.7 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Muni Auth of Washington Twp. Its phone number on EPA record is 724-929-3370. Its mailing address on EPA record is 1390 FAYETTE AVE, BELLE VERNON, PA 15012. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.