Suffolk County, New York — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Suffolk County, NY?
In Suffolk County, New York, public U.S. EPA records track 9,037 regulated facilities (#4 of 99 in New York), including 160 (1.8%) High-Risk sites and $20,720,844 in federal penalties. Countywide due diligence also covers 377 Safe Drinking Water (SDWIS) facilities, 1,025 Clean Water NPDES permits, 6 FEMA Federal Disaster Declarations (5 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Suffolk 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📊 Suffolk County, NY Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Suffolk County
ZIP Codes in Suffolk County
Top EPA Regulated Facilities in Suffolk 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • AMITYVILLE, NY (ZIP 11701 Sector) | HIGH (82/100) | Significant Violation (10 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CENTRAL ISLIP, NY (ZIP 11722 Sector) | HIGH (78/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • EAST HAMPTON, NY (ZIP 11937 Sector) | HIGH (75/100) | Significant Violation (11 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • BRENTWOOD, NY (ZIP 11717 Sector) | HIGH (71/100) | Significant Violation (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MELVILLE, NY (ZIP 11747 Sector) | HIGH (71/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • FARMINGDALE, NY (ZIP 11735 Sector) | HIGH (71/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • HAUPPAUGE, NY (ZIP 11788 Sector) | HIGH (70/100) | Significant Violation (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • W BABYLON, NY (ZIP 11704 Sector) | HIGH (70/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| ISLAND PRINTING & DESIGN INC FREE PREVIEW (LOW RISK) | 338 NEIGHBORHOOD RD, MASTIC BEACH, NY 11951 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| COFERON INC AT SUNY STONY BROOK FREE PREVIEW (LOW RISK) | 25 HEALTH SCIENCES DR- STE 123, STONY BROOK, NY 11794 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| STEINBERG HEWITT DC FREE PREVIEW (LOW RISK) | 20 BROADHOLLOW RD, MELVILLE, NY 11747 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| U.S POSTAL SERVICE SMITHTOWN FREE PREVIEW (LOW RISK) | 25 RTE 111, SMITHTOWN, NY 11787 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Suffolk County, New York Environmental Due Diligence
How many EPA-regulated environmental sites are in Suffolk County, New York?
Public U.S. EPA records track 9,037 regulated facilities in Suffolk County, New York (ranking #4 of 99 jurisdictions in NY). Of those, 160 (1.8%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 250 (2.8%) have active non-compliance quarters.
Which ZIP codes and cities in Suffolk County have the highest regulated facility density?
Within Suffolk County, the highest concentrations of EPA-tracked facilities are located in ZIP 11788 (Hauppauge, 439 sites), ZIP 11779 (Ronkonkoma, 369 sites), ZIP 11706 (Bay Shore, 356 sites), spanning municipal corridors including Hauppauge (437 sites), Deer Park (321 sites), Ronkonkoma (303 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Suffolk County?
Across Suffolk County, 7,123 facilities (78.8% 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 Suffolk County, NY?
Geologic indoor air screening places Suffolk 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 Suffolk County, NY?
Federal records track 377 Safe Drinking Water (SDWIS) facilities, 1,025 Clean Water Act NPDES permits, and 248 impaired water dischargers in Suffolk County, alongside 6 historical FEMA federal disaster declarations (5 flood/storm events).
Does Suffolk County, NY have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Suffolk County indicates a MODERATE 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.