Nassau County, New York — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Nassau County, NY?
In Nassau County, New York, public U.S. EPA records track 50 regulated facilities (#67 of 99 in New York), including 2 (4.0%) High-Risk sites and $32,600 in federal penalties. Countywide due diligence also covers 1 Safe Drinking Water (SDWIS) facilities, 22 Clean Water NPDES permits, 4 FEMA Federal Disaster Declarations (4 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Nassau County, NY 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Nassau County, NY Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Nassau County
ZIP Codes in Nassau County
Top EPA Regulated Facilities in Nassau County, NY
100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).
| Facility Name / Hazard Type | Sector Location (Street Redacted) | Risk Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • FREEPORT, NY (ZIP 11520 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • PORT WASHINGTON, NY (ZIP 11050 Sector) | MODERATE (31/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • INWOOD, NY (ZIP 11096 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • GREAT NECK, NY (ZIP 11021 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • PORT WASHINGTON, NY (ZIP 11050 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • LAWRENCE, NY (ZIP 11559 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • BAYVILLE, NY (ZIP 11709 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • GREAT NECK, NY (ZIP 11021 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| USC - KINGS LLC - INWOOD FREE PREVIEW (LOW RISK) | 280 HENRY ST, INWOOD, NY 11096 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| GUARDA FREE PREVIEW (LOW RISK) | 15 HEMPSTEAD GARDENS DRIVE, WEST HEMPSTEAD, NY 11552 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| BAY AGGREGATES NEW YORK FREE PREVIEW (LOW RISK) | 145 W SHORE ROAD, PORT WASHINGTON, NY 11050 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| GARVIES POINT WATERFRONT REDEVELOPMENT PHASE 1 FREE PREVIEW (LOW RISK) | GARVIES PT. ROAD/HERB HILL ROAD/DICKSON, GLEN COVE, NY 11542 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Nassau County, New York Environmental Due Diligence
How many EPA-regulated environmental sites are in Nassau County County, New York?
Public U.S. EPA records track 50 regulated facilities in Nassau County County, New York (ranking #67 of 99 jurisdictions in NY). Of those, 2 (4.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 1 (2.0%) have active non-compliance quarters.
Which ZIP codes and cities in Nassau County County have the highest regulated facility density?
Within Nassau County County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Nassau County.
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Nassau County County?
Across Nassau County County, 12 facilities (24.0% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).
What is the EPA Radon Zone classification for Nassau County County, NY?
Geologic indoor air screening places Nassau County County in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Counties in EPA Radon Zone 2 have a predicted average indoor radon level between 2.0 and 4.0 pCi/L. Testing basement or ground-floor living areas is recommended during home inspection.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Nassau County County, NY?
Federal records track 1 Safe Drinking Water (SDWIS) facilities, 22 Clean Water Act NPDES permits, and 6 impaired water dischargers in Nassau County County, alongside 4 historical FEMA federal disaster declarations (4 flood/storm events).
Does Nassau County, NY have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Nassau County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.