Starr County, Texas — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Starr County, TX?
In Starr County, Texas, public U.S. EPA records track 111 regulated facilities (#180 of 469 in Texas), including 5 (4.5%) High-Risk sites and $56,880 in federal penalties. Countywide due diligence also covers 12 Safe Drinking Water (SDWIS) facilities, 89 Clean Water NPDES permits, 3 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
Starr County, TX 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Starr County, TX Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Starr County
Top EPA Regulated Facilities in Starr County, 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 Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • GARCIASVILLE, TX (ZIP 78547 Sector) | HIGH (67/100) | Significant Violation (11 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ROMA, TX (ZIP 78584 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • RIO GRANDE CITY, TX (ZIP 78582 Sector) | MODERATE (39/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SAN ISIDRO, TX (ZIP 78588 Sector) | MODERATE (31/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • , TX (ZIP Sector) | MODERATE (31/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • , TX (ZIP Sector) | MODERATE (30/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • RIO GRANDE CITY, TX (ZIP 78582 Sector) | MODERATE (30/100) | Violation Identified (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • LA GLORIA, TX (ZIP 78591 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| KOCH PIPELINE, STARR(SUNFIELD) STATION FREE PREVIEW (LOW RISK) | 6 MI S ON FM 2294, SAN ISIDRO, TX 99999 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| FAMILY DOLLAR #6039 FREE PREVIEW (LOW RISK) | 747 N FM 2360, RIO GRANDE, TX 78582 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| US DEPARTMENT OF THE AIR FORCE FREE PREVIEW (LOW RISK) | 4.9 MI ON MORITA RD OFF FM 649, RIO GRANDE CITY, TX 78582 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| RGV BARRIERS FREE PREVIEW (LOW RISK) | NON-CONTIGUOUS PARCELS OF LAND, LINEAR PROJECT, AP, MISSION, TX 78572 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Starr County, Texas Environmental Due Diligence
How many EPA-regulated environmental sites are in Starr County, Texas?
Public U.S. EPA records track 111 regulated facilities in Starr County, Texas (ranking #180 of 469 jurisdictions in TX). Of those, 5 (4.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 13 (11.7%) have active non-compliance quarters.
Which ZIP codes and cities in Starr County have the highest regulated facility density?
Within Starr County, the highest concentrations of EPA-tracked facilities are located in ZIP 78582 (Rio Grande City, 84 sites), ZIP 78547 (Garciasville, 6 sites), ZIP 78536 (Delmita, 4 sites), spanning municipal corridors including Rio Grande City (76 sites), Garciasville (5 sites), Delmita (5 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Starr County?
Across Starr County, 29 facilities (26.1% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).
What is the EPA Radon Zone classification for Starr County, TX?
Geologic indoor air screening places Starr County in EPA Zone 3 — Low Potential (< 2.0 pCi/L). Counties in EPA Radon Zone 3 have a predicted average indoor radon level below 2.0 pCi/L, indicating lower regional geologic radon risk.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Starr County, TX?
Federal records track 12 Safe Drinking Water (SDWIS) facilities, 89 Clean Water Act NPDES permits, and 10 impaired water dischargers in Starr County, alongside 3 historical FEMA federal disaster declarations (1 flood/storm events).
Does Starr County, TX have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Starr County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.