No open health-based violations on EPA record in the last 10 years.
Serves about 135,000 people (46,440 connections) with groundwater from its own wells.
From EPA's record for NY2902840. PurityMap is independent of Liberty Utilities New York.
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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 |
|---|---|---|---|---|
| From July 2024 | Lead and Copper Rule | – | TT | Resolved |
| From January 2024 | Lead and Copper Rule | – | TT | Resolved |
| From July 2023 | Lead and Copper Rule | – | TT | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from March 2023 to July 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 139 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Above the referenced health-based guidance value | 2023-03-28 to 2025-06-26 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| 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 | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| 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 | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| 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 | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| 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 | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| 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 | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2025-07-10 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2025-07-10 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| 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 | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2025-07-10 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-12 to 2025-07-10 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-28 to 2023-11-22 | UCMR5 Analytical Results: LIBERTY UTILITIES NEW YORK - MERRICK (NY2902840) |
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 →Liberty Utilities New York's phone number on EPA record is 516-632-2218. Its mailing address is 60 Brooklyn Ave., MERRICK, NY 11566.
According to EPA's record, Liberty Utilities New York uses groundwater from its own wells.
EPA's record shows 3 health-based violations for Liberty Utilities New York in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Liberty Utilities New York's latest lead and copper round, which ended in June 2025. The federal action level is 15 µg/L.
PurityMap has no verified website for Liberty Utilities New York. Its phone number on EPA record is 516-632-2218. Its mailing address on EPA record is 60 Brooklyn Ave., MERRICK, NY 11566. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.