No health-based violations on EPA record since 2016.
Serves about 9,870 people (1,540 connections) with surface water bought from New York City Water Supply.
From EPA's record for NY5903450. PurityMap is independent of Sleepy Hollow (Village).
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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 2024 to October 2024.
| 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 | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| 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 | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| 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 | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| 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 | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| 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 | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| 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 | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| 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 | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-23 to 2024-10-16 | UCMR5 Analytical Results: SLEEPY HOLLOW (VILLAGE) (NY5903450) |
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 →Sleepy Hollow (Village)'s phone number on EPA record is 914-366-5105. Its mailing address is VILLAGE OF SLEEPY HOLLOW, 28 Beekman Avenue, SLEEPY HOLLOW, NY 10591.
According to EPA's record, Sleepy Hollow (Village) uses surface water bought from New York City Water Supply.
No health-based violations on EPA record since 2016. EPA also lists 2 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Sleepy Hollow (Village)'s latest lead and copper round, which ended in December 2027, was 1 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Sleepy Hollow (Village). Its phone number on EPA record is 914-366-5105. Its mailing address on EPA record is VILLAGE OF SLEEPY HOLLOW, 28 Beekman Avenue, SLEEPY HOLLOW, NY 10591. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.