ZIP 77642 (Port Arthur, TX) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 77642 in Port Arthur, Texas (Jefferson County) has 139 EPA-tracked facilities, including 6 High-Risk sites (4.3%), 7 active violators, and $1,448,136 in federal penalties. Beyond industrial pollution, properties in ZIP 77642 are screened across 4 historical Jefferson County FEMA disasters, USDA Soil Foundation Shrink-Swell (HIGH signal), Tap Water & Watershed Permits (67), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
ZIP 77642 (Port Arthur, TX) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 77642 (Port Arthur, TX) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 77642 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 6 High-Risk and 7 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 77642 (Port Arthur, TX)
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 • PORT ARTHUR, TX (ZIP 77642 Sector) | HIGH (91/100) | Significant Violation (7 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • PORT ARTHUR, TX (ZIP 77642 Sector) | HIGH (66/100) | Violation Identified (2 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • PORT ARTHUR, TX (ZIP 77642 Sector) | HIGH (64/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • PORT ARTHUR, TX (ZIP 77642 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • PORT ARTHUR, TX (ZIP 77642 Sector) | MODERATE (58/100) | Violation (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • PORT ARTHUR, TX (ZIP 77642 Sector) | MODERATE (46/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • PORT ARTHUR, TX (ZIP 77642 Sector) | MODERATE (42/100) | Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • PORT ARTHUR, TX (ZIP 77642 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| ECOWATER INC LLC FREE PREVIEW (LOW RISK) | 8741 YACHT CLUB RD, PORT ARTHUR, TX 77642 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| VESSEL CLEANING FREE PREVIEW (LOW RISK) | 5848 PROCTER EXT, PORT ARTHUR, TX 77642 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| JEFFERSON COUNTY DRAINAGE DISTRICT 7 FREE PREVIEW (LOW RISK) | 4401 9TH AVE, PORT ARTHUR, TX 77642 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| CHRISTUS ST MARY HOSPITAL FREE PREVIEW (LOW RISK) | 3600 GATES BLVD, PORT ARTHUR, TX 77642 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 77642 (Port Arthur, TX) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 77642 (Port Arthur, TX)?
ZIP code 77642 (Port Arthur, TX) contains 139 EPA-tracked facilities, of which 6 (4.3%) are classified in the High-Risk tier, 7 (5.0%) have active compliance violations, and 88 (63.3%) handle RCRA hazardous waste.
How does ZIP 77642 compare to Jefferson County and Texas averages?
In ZIP 77642, 4.3% of regulated sites are rated High Risk, compared to 3.2% across Jefferson County and 1.6% statewide in Texas.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 77642?
Geologic screening places ZIP 77642 in EPA Zone 3 — Low Potential (< 2.0 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 77642 (Port Arthur, TX) in a FEMA flood zone and what is the flood disaster history?
Jefferson County has recorded 4 historical FEMA federal disaster declarations (2 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 77642 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 77642 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 77642 indicates a HIGH shrink-swell risk signal. Within ZIP 77642, federal registries track 3 SDWIS drinking water facilities, 64 Clean Water NPDES permits, and 17 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.