ZIP 05495 (Williston, VT) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 05495 in Williston, Vermont (Chittenden County) has 297 EPA-tracked facilities, including 1 High-Risk sites (0.3%), 4 active violators, and $5,300,000 in federal penalties. Beyond industrial pollution, properties in ZIP 05495 are screened across 7 historical Chittenden County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (46), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 05495 (Williston, VT) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 05495 (Williston, VT) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 05495 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 4 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 05495 (Williston, VT)
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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • WILLISTON, VT (ZIP 05495 Sector) | HIGH (64/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WILLISTON, VT (ZIP 05495 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • WILLISTON, VT (ZIP 05495 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • WILLISTON, VT (ZIP 05495 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ST GEORGE, VT (ZIP 05495 Sector) | MODERATE (30/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • WILLISTON, VT (ZIP 05495 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • WILLISTON, VT (ZIP 05495 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • WILLISTON, VT (ZIP 05495 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| VELAN VALVE CORP FREE PREVIEW (LOW RISK) | 94 AVENUE C, WILLISTON, VT 05495 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| TIRE WAREHOUSE TIRE & SERVICE 1520 FREE PREVIEW (LOW RISK) | 740 MARSHALL AVENUE, WILLISTON, VT 05495 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| O'REILLY AUTO ENTERPRISES LLC, STORE 5697 FREE PREVIEW (LOW RISK) | 150 RETAIL WAY, WILLISTON, VT 05495 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| A C HATHORNE CO DIVISION OF MELANSON CO., A TECTA AMERICA CO., LLC FREE PREVIEW (LOW RISK) | 252 AVENUE C, WILLISTON, VT 05495 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 05495 (Williston, VT) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 05495 (Williston, VT)?
ZIP code 05495 (Williston, VT) contains 297 EPA-tracked facilities, of which 1 (0.3%) are classified in the High-Risk tier, 4 (1.3%) have active compliance violations, and 250 (84.2%) handle RCRA hazardous waste.
How does ZIP 05495 compare to Chittenden County and Vermont averages?
In ZIP 05495, 0.3% of regulated sites are rated High Risk, compared to 0.6% across Chittenden County and 0.8% statewide in Vermont.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 05495?
Geologic screening places ZIP 05495 in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 05495 (Williston, VT) in a FEMA flood zone and what is the flood disaster history?
Chittenden County has recorded 7 historical FEMA federal disaster declarations (7 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 05495 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 05495 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 05495 indicates a LOW shrink-swell risk signal. Within ZIP 05495, federal registries track 6 SDWIS drinking water facilities, 40 Clean Water NPDES permits, and 4 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.