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Matagorda County, Texas — Property Hazard, Flood Zone, Soil, Water & EPA Guide

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What Are the Flood, Soil Foundation & EPA Risks in Matagorda County, TX?

In Matagorda County, Texas, public U.S. EPA records track 263 regulated facilities (#97 of 469 in Texas), including 13 (4.9%) High-Risk sites and $990,712 in federal penalties. Countywide due diligence also covers 49 Safe Drinking Water (SDWIS) facilities, 171 Clean Water NPDES permits, 3 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).

Total EPA Sites (#97/469)
263
High-Risk (4.9% vs 1.6% State)
13
Active Violators (9.9%)
26
Drinking & Clean Water
220
Federal Penalties
$990,712

Matagorda 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
🌊 Flood Zone & FEMA Disaster History
3 County FEMA Declarations (1 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Requirement Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: HIGH • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
49 SDWIS Systems • 171 NPDES Permits
🔒 14 Impaired Water (303d) & 48 Violation Dockets Locked
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☢️ EPA Radon & Karst Sinkhole
EPA Zone 3 — Low Potential (< 2.0 pCi/L)
Non-Karst Coastal / Alluvial Clay Formation (Low Sinkhole Risk; Primary Factor is Clay Shrink-Swell)
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Matagorda County, TX Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 72 (27.4%)
Clean Water (NPDES) & Drinking Water (SDWIS) 220 (83.7%)
Active EPA Non-Compliance Dockets 26 (9.9%)
High-Risk Enforcement Facilities 13 (4.9%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (80.3/100)
🌊 Flood Exposure 5/10 • Moderate Hazard
🔥 Wildfire Hazard 3/10 • Low Hazard
☀️ Extreme Heat 3/10 • Low Hazard
🌪️ Severe Wind / Storm 7/10 • High Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. County vs. State & National Benchmark
Matagorda County High-Risk % 4.9%
Texas (TX) Statewide Avg 1.6%
U.S. National EPA Baseline 3.6%
Unlock Street-Level Dossier: Full report reveals unredacted facility names, distances in feet, exact USDA soil LEP %, water table depth, and parcel flood zone.
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Top EPA Regulated Facilities in Matagorda 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).

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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 • BAY CITY, TX (ZIP 77414 Sector) HIGH (77/100) Violation (6 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • PALACIOS, TX (ZIP 77465 Sector) HIGH (64/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • VAN VLECK, TX (ZIP 77482 Sector) HIGH (64/100) Significant Violation (10 qtrs NC) 🔒 10 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • PALACIOS, TX (ZIP 77465 Sector) HIGH (64/100) Significant Violation (4 qtrs NC) 🔒 4 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • VAN VLECK, TX (ZIP 77482 Sector) MODERATE (52/100) Violation Identified (9 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • ELMATON, TX (ZIP 77440 Sector) MODERATE (51/100) Violation Identified (8 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • BAY CITY, TX (ZIP 77414 Sector) MODERATE (48/100) Violation Identified (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • BAY CITY, TX (ZIP 77414 Sector) MODERATE (44/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
MARKHAM STORAGE FREE PREVIEW (LOW RISK) 4833 COUNTY ROAD 417, MARKHAM, TX 77456 LOW (20/100) No Violation Identified (0 qtrs NC) $0
BLESSING COMPRESSOR STATION FREE PREVIEW (LOW RISK) 4 MI SOUTH OF BLESSING ON RAILROAD AVE 4220 CR 394, BLESSING, TX 77419 LOW (18/100) 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
HOUSTON PIPE LINE CO FREE PREVIEW (LOW RISK) CO RD S OF FM 1095 2 MI SE OF, COLLEGEPORT, TX 77428 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 251 Additional Regulated & Enforcement Records in Matagorda County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Matagorda County, Texas Environmental Due Diligence

How many EPA-regulated environmental sites are in Matagorda County, Texas?

Public U.S. EPA records track 263 regulated facilities in Matagorda County, Texas (ranking #97 of 469 jurisdictions in TX). Of those, 13 (4.9%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 26 (9.9%) have active non-compliance quarters.

Which ZIP codes and cities in Matagorda County have the highest regulated facility density?

Within Matagorda County, the highest concentrations of EPA-tracked facilities are located in ZIP 77414 (Sargent, 144 sites), ZIP 77456 (Markham, 22 sites), ZIP 77482 (Van Vleck, 19 sites), spanning municipal corridors including Bay City (142 sites), Markham (22 sites), Van Vleck (18 sites).

How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Matagorda County?

Across Matagorda County, 72 facilities (27.4% 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 Matagorda County, TX?

Geologic indoor air screening places Matagorda 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 Matagorda County, TX?

Federal records track 49 Safe Drinking Water (SDWIS) facilities, 171 Clean Water Act NPDES permits, and 14 impaired water dischargers in Matagorda County, alongside 3 historical FEMA federal disaster declarations (1 flood/storm events).

Does Matagorda County, TX have expansive clay soil or foundation risk?

USDA regional soil engineering screening for Matagorda County indicates a HIGH shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.

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