ZIP 77520 (Baytown, TX) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 77520 in Baytown, Texas (Harris County) has 240 EPA-tracked facilities, including 9 High-Risk sites (3.8%), 11 active violators, and $2,559,412 in federal penalties. Beyond industrial pollution, properties in ZIP 77520 are screened across 4 historical Harris County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (116), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
ZIP 77520 (Baytown, 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 77520 (Baytown, TX) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 77520 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 9 High-Risk and 11 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 77520 (Baytown, 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 • BAYTOWN, TX (ZIP 77520 Sector) | HIGH (98/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • BAYTOWN, TX (ZIP 77520 Sector) | HIGH (89/100) | Significant Violation (8 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • BAYTOWN, TX (ZIP 77520 Sector) | HIGH (76/100) | Violation Identified (5 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • BAYTOWN, TX (ZIP 77520 Sector) | HIGH (71/100) | Violation Identified (7 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • BAYTOWN, TX (ZIP 77520 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • BAYTOWN, TX (ZIP 77520 Sector) | HIGH (64/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • BAYTOWN, TX (ZIP 77520 Sector) | MODERATE (50/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • BAYTOWN, TX (ZIP 77520 Sector) | MODERATE (48/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| AMOCO CHEMICALS FREE PREVIEW (LOW RISK) | 9548 INTERSATE 10 EAST, BAYTOWN, TX 77520 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| GFL PLANT SERVICES BAYTOWN FREE PREVIEW (LOW RISK) | 2201 LEE DR, BAYTOWN, TX 77520 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| TETLP - MONT BELVIEU STATION FREE PREVIEW (LOW RISK) | 6431 FM 565 SOUTH, BAYTOWN, TX 77520 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| NATURAL GAS ODORIZING, INC. FREE PREVIEW (LOW RISK) | 3601 DECKER DRIVE, BAYTOWN, TX 77520 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 77520 (Baytown, 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 77520 (Baytown, TX)?
ZIP code 77520 (Baytown, TX) contains 240 EPA-tracked facilities, of which 9 (3.8%) are classified in the High-Risk tier, 11 (4.6%) have active compliance violations, and 113 (47.1%) handle RCRA hazardous waste.
How does ZIP 77520 compare to Harris County and Texas averages?
In ZIP 77520, 3.8% of regulated sites are rated High Risk, compared to 2.2% across Harris County and 1.6% statewide in Texas.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 77520?
Geologic screening places ZIP 77520 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 77520 (Baytown, TX) in a FEMA flood zone and what is the flood disaster history?
Harris County has recorded 4 historical FEMA federal disaster declarations (2 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 77520 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 77520 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 77520 indicates a LOW shrink-swell risk signal. Within ZIP 77520, federal registries track 16 SDWIS drinking water facilities, 100 Clean Water NPDES permits, and 21 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.