ZIP 77251 (Houston, TX) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 77251 in Houston, Texas (Harris County) has 30 EPA-tracked facilities, including 1 High-Risk sites (3.3%), 1 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 77251 are screened across 4 historical Harris County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (15), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
ZIP 77251 (Houston, 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 77251 (Houston, TX) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 77251 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 77251 (Houston, 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • HOUSTON, TX (ZIP 77251 Sector) | MODERATE (48/100) | Violation Identified (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • HOUSTON, TX (ZIP 77251 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • HOUSTON, TX (ZIP 77251 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • HOUSTON, TX (ZIP 77251 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • FOURCHON, LA (ZIP 77251 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| OAK FARMS DAIRY FREE PREVIEW (LOW RISK) | 2417 LEELND, HOUSTON, TX 77251 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| SOUTH TEXAS PROJECT ELECTRIC FREE PREVIEW (LOW RISK) | FM 521, APPROX 10 MI N, BAY CITY, TX 77251 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| HOU CSJ 3256-01-118 FREE PREVIEW (LOW RISK) | BELTWAY 8 WEST BELT SL 8 WEST FRONTAGE ROAD ONLY F, HOUSTON, TX 77251 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| TRANSWESTERN PIPELINE FREE PREVIEW (LOW RISK) | 1400 SMITH STREET, HOUSTON, TX 77251 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • HOUSTON, TX (ZIP 77251 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • FORT MYERS, FL (ZIP 77251 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • HOUSTON, TX (ZIP 77251 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 77251 (Houston, 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 77251 (Houston, TX)?
ZIP code 77251 (Houston, TX) contains 30 EPA-tracked facilities, of which 1 (3.3%) are classified in the High-Risk tier, 1 (3.3%) have active compliance violations, and 8 (26.7%) handle RCRA hazardous waste.
How does ZIP 77251 compare to Harris County and Texas averages?
In ZIP 77251, 3.3% 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 77251?
Geologic screening places ZIP 77251 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 77251 (Houston, 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 77251 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 77251 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 77251 indicates a LOW shrink-swell risk signal. Within ZIP 77251, federal registries track 3 SDWIS drinking water facilities, 12 Clean Water NPDES permits, and 2 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.