ZIP 78266 (San Antonio, TX) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 78266 in San Antonio, Texas (Comal County) has 93 EPA-tracked facilities, including 2 High-Risk sites (2.2%), 1 active violators, and $76,125 in federal penalties. Beyond industrial pollution, properties in ZIP 78266 are screened across 5 historical Comal County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (80), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
ZIP 78266 (San Antonio, 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 78266 (San Antonio, TX) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 78266 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 2 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 78266 (San Antonio, 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 • SAN ANTONIO, TX (ZIP 78266 Sector) | HIGH (65/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SAN ANTONIO, TX (ZIP 78266 Sector) | MODERATE (46/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • GARDEN RIDGE, TX (ZIP 78266 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • GARDENRIDGE, TX (ZIP 78266 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • GARDEN RIDGE, TX (ZIP 78266 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • SAN ANTONIO, TX (ZIP 78266 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SAN ANTONIO, TX (ZIP 78266 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • GARDEN RIDGE, TX (ZIP 78266 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| ALAMO CONCRETE PRODUCTS SAN ANTONIO RM PLANT 8 FREE PREVIEW (LOW RISK) | 6889 EAST EVANS ROAD, SAN ANTONIO, TX 78266 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| BRACKEN COLLISION CENTER FREE PREVIEW (LOW RISK) | 18414 5TH STREET, GARDEN RIDGE, TX 78266 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| ENCHANTED BLUFF UNIT 3 FREE PREVIEW (LOW RISK) | NE OF E EVANS RD & GREEN MOUNTAIN RD, SAN ANTONIO, TX 78266 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| GARDEN-VILLE FERTILIZER FREE PREVIEW (LOW RISK) | 7561 E EVANS RD, SAN ANTONIO, TX 78266 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 78266 (San Antonio, 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 78266 (San Antonio, TX)?
ZIP code 78266 (San Antonio, TX) contains 93 EPA-tracked facilities, of which 2 (2.2%) are classified in the High-Risk tier, 1 (1.1%) have active compliance violations, and 10 (10.8%) handle RCRA hazardous waste.
How does ZIP 78266 compare to Comal County and Texas averages?
In ZIP 78266, 2.2% of regulated sites are rated High Risk, compared to 3.0% across Comal County and 1.6% statewide in Texas.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 78266?
Geologic screening places ZIP 78266 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 78266 (San Antonio, TX) in a FEMA flood zone and what is the flood disaster history?
Comal County has recorded 5 historical FEMA federal disaster declarations (2 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 78266 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 78266 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 78266 indicates a MODERATE shrink-swell risk signal. Within ZIP 78266, federal registries track 1 SDWIS drinking water facilities, 79 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.