East Williston (v)
EPA ID: NY2902820 · 2,556 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for East Williston (v) (NY2902820): no EPA violations recorded in the last five years. Zero EPA violations over five years - East Williston (v) has kept tap water compliance clean for its full service population of 2,556.
Data: EPA SDWIS
Service Area Map
Coverage area for East Williston (v) Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The East Williston (v) serves a community with a median household income of $162,026 and an estimated 10,378 residents across its service area. Approximately 98% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
East Williston (v)'s water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Superfund Proximity Note: This service area ranks in the 90th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 5 detections recorded. 1 exceeds federal EPA limits (4 ppt for PFOA/PFOS). 1 exceeds state limits.
Comparable Water Systems
Similar-sized systems in New York
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
East Williston (v) (EPA ID: NY2902820) is a community water system in New York that serves approximately 2,556 people from groundwater sources.
This system serves ZIP code 11596 in Williston Park.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by NY or modeled from parcel and building-footprint data.
- 11596 - Williston Park
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for East Williston (v) (NY2902820) on EPA.gov.
Frequently Asked Questions
Is East Williston (v) water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for East Williston (v) in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does East Williston (v) serve?
East Williston (v) serves approximately 2,556 people across 1 ZIP code in New York.
Where does East Williston (v) get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). East Williston (v) Water Quality Report, NY. https://zipcheckup.com/water-system/ny2902820/
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