No open health-based violations on EPA record in the last 10 years.
Serves about 4,992 people (2,272 connections) with surface water from its own intake.
From EPA's record for PA4470007. PurityMap is independent of Danville Municipal Water Auth.
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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 November 2021 | E. coli | – | – | Resolved |
| From September 2020 | 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 |
|---|---|---|---|---|---|
| Perfluorohexanoic acid (PFHxA) | 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluoropentanoic acid (PFPeA) | 3.1 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| 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 | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| 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 | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| 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 | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| 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 | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| 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 | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| 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 | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| 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 | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-19 to 2025-11-19 | UCMR5 Analytical Results: DANVILLE MUNICIPAL WATER AUTH (PA4470007) |
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.
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Follow this water →Danville Municipal Water Auth's phone number on EPA record is 570-275-1070. Its mailing address is 463 MILL ST, DANVILLE, PA 17821.
According to EPA's record, Danville Municipal Water Auth uses surface water from its own intake.
EPA's record shows 2 health-based violations for Danville Municipal 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 97 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 Danville Municipal Water Auth's latest lead and copper round, which ended in September 2025. The federal action level is 15 µg/L.
PurityMap has no verified website for Danville Municipal Water Auth. Its phone number on EPA record is 570-275-1070. Its mailing address on EPA record is 463 MILL ST, DANVILLE, PA 17821. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.