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Review government records associated with New Hyde Park, New York.
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Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Public water-system records for New Hyde Park, NY from EPA SDWIS.
Wa of Western Nassau
PFAS above an official threshold detected in available EPA records.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 120,000 people
Liberty Utilities New York - Lynbrook
PFAS above an official threshold detected in available EPA records.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 220,000 people
Liberty Utilities New York - Merrick
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 135,000 people
Data from EPA SDWIS
PFAS screening separates EPA UCMR5 drinking-water monitoring from nearby DoD PFAS investigation-site records; EPA samples shown are from Jun 2023 to Mar 2024.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
8 PFAS sample results above EPA limits
Sample period: Jun 2023 to Mar 2024
UCMR5 results are sampled by public water system, not every household. Confirm your water provider before treating these as tap-water results for a specific address.
| Chemical | Concentration (µg/L) | EPA Limit (µg/L) | Sample date | Over Limit |
|---|---|---|---|---|
| PFOA | 0.0100 | 0.0040 | 2023-06-15 | Yes |
| PFOA | 0.0100 | 0.0040 | 2024-01-25 | Yes |
| PFOA | 0.0063 | 0.0040 | 2023-06-13 | Yes |
| PFOS | 0.0061 | 0.0040 | 2024-01-25 | Yes |
| PFOA | 0.0060 | 0.0040 | 2023-06-13 | Yes |
| PFOS | 0.0058 | 0.0040 | 2023-06-15 | Yes |
| PFOA | 0.0046 | 0.0040 | 2023-06-15 | Yes |
| PFOS | 0.0051 | 0.0040 | 2024-03-01 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not New Hyde Park drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation records shown for this report.
EPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Hook Creek-Head of Bay
Reported: Nov 2026
Health-relevant causes: Pathogens
Affected uses: Ecological, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
Last inspected: Dec 2025
Data from EPA ECHO
To investigate water contamination, check the sampling locations, dates and results below. For tap water records, see Drinking water quality above.
Reviewed: source records as of 2026
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
Nassau County
Assessment year: 2020
According to EPA, a cancer risk of 30-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 30 may develop cancer from that exposure. This is in addition to cancer risk from all other causes.
Top modeled source groups
Data from EPA AirToxScreen
EPA designations apply to a specific pollutant and federal air quality standard (NAAQS). EPA can issue a clean-data determination while a formal designation remains in effect.
New York-Northern New Jersey-Long Island: Ozone
NonattainmentSerious8-Hour Ozone (2015 Standard)
Health effects (EPA): Respiratory inflammation, aggravation of asthma, reduced lung function (EPA)
New York-N. New Jersey-Long Island: Ozone
NonattainmentSevere 158-Hour Ozone (2008 Standard)
Original designation: Jul 2012
Health effects (EPA): Respiratory inflammation, aggravation of asthma, reduced lung function (EPA)
Maintenance areas
Previously nonattainment; currently meeting the standard and monitored under an EPA maintenance plan.
New York-N. New Jersey-Long Island
PM2.5 · PM-2.5 (2006 Standard)
Classification: Former Subpart 1
Original designation: Dec 2009
Current design value: 25 µg/m³ (2023-2025)
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Babylon — East Farmingdale, New York
Annual mean: 0.042 Parts per million
EPA primary exceedance count: 3 (Ozone 8-hour 2015)
Observation year: 2025
Annual mean: 6.5 Micrograms/cubic meter (LC)
Observation year: 2025
Bayonne
Annual mean: 0.9 Parts per billion
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
EPA records for current, proposed and formerly listed Superfund sites on the National Priorities List (NPL).
Open data source: Search EPA ECHOEPA FRS Registry ID 110009302012
Reported: Nov 2021
EPA FRS Registry ID 110000838041
Reported: Nov 2021
Reviewed: source query run Nov 2026
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
No MSHA mine or extraction site records shown for this report.
Nassau County, NY
EPA Radon Zone Map (June 2024 release)
Nassau County is EPA Radon Zone 3 (low potential). EPA defines Zone 3 counties as having predicted average indoor screening levels below 2 pCi/L.
Radon levels can vary from home to home, so EPA recommends testing the property to know its indoor level.
FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.
No FEMA flood-zone records shown for this report.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
No EPA ECHO RMP facility records with a usable location matched this city report.
PHMSA tracks incidents involving natural gas and hazardous liquid pipelines. Incidents include leaks, ruptures, and explosions.
No records dated within the last 5 years surfaced for this city report.
Reviewed: last 5 years
Data from PHMSA
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Nassau County, New YorkPop. 1,383,726
County Health Rankings edition: 2024
Premature Death
Poor or Fair Health
Poor Physical Health Days
Poor Mental Health Days
Adult Smoking
Adult Obesity
Air Pollution - Particulate Matter
Drinking water violation indicator
Diabetes Prevalence
Life Expectancy
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 4,731 | 6,351 | 7,972 |
| Poor or Fair Health | 10.9% | 13.9% | 14.2% |
| Poor Physical Health Days | 2.8 | 3.1 | 3.3 |
| Poor Mental Health Days | 4.2 | 4.2 | 4.8 |
| Adult Smoking | 11.1% | 12.4% | 15.0% |
| Adult Obesity | 27.1% | 29.0% | 34.0% |
| Air Pollution - Particulate Matter | 8.5 | 6.9 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 8.6% | 10.1% | 9.6% |
| Life Expectancy | 81.5 | 79.7 | 77.6 |
EPA testing found PFAS in water samples from Wa of Western Nassau. Results dated Jun 13, 2023 to Jan 25, 2024 include PFOA at 0.0046 to 0.01 micrograms per liter and PFPeA at 0.0042 to 0.0095 micrograms per liter.
EPA testing found PFAS in water samples from Liberty Utilities New York-Lynbrook. Results dated Feb 7, 2024 to Mar 1, 2024 include PFHxS at 0.0033 to 0.0063 micrograms per liter and PFOS at 0.0051 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 1 violation for Wa of Western Nassau.
EPA drinking water records on this page list 22 violations for Liberty Utilities New York-Lynbrook.
EPA drinking water records on this page list 65 violations for Liberty Utilities New York-Merrick.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
Nearby EPA monitoring stations provide annual air quality measurements for New Hyde Park.
The monitoring station at Babylon, East Farmingdale, New York recorded an annual average of 0.042 Parts per million for ozone in 2025.
The monitoring station at Babylon, East Farmingdale, New York recorded an annual average of 6.5 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Bayonne recorded an annual average of 0.9 Parts per billion for sulfur dioxide in 2025.
Download 2025 EPA annual monitor dataCurrent air quality on AirNow
The radon data for New Hyde Park covers Nassau County. EPA places this area in Zone 3, with a predicted average indoor radon screening level below 2 picocuries per liter.
This city report shows 2 Superfund sites: Fulton Avenue; Genzale Plating Co..
No brownfield sites were returned for this city report.
The county data for New Hyde Park reports a life expectancy of 81.5 years in Nassau County, New York.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for New Hyde Park reports 4,731 years of life lost to deaths before age 75 per 100,000 residents in Nassau County, New York. This measure adds up the years lost to early deaths and adjusts for differences in population age.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for New Hyde Park lists fine-particle pollution (PM2.5) at 8.5 micrograms per cubic meter in Nassau County, New York.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
Federal pipeline records list an incident involving Keyspan Energy Delivery-Long Island near New Hyde Park on Sep 6, 2011. The reported release was natural gas.