13-SECTION MUNICIPAL PROPERTY, MARKET, FLOOD & HAZARD HUB • SAN MARCO, TX

San Marco, Texas — Property Hazard, Flood Zone, Soil, Water & Market Guide

Q: How many EPA-regulated facilities are in San Marco, TX?

U.S. EPA records track 1 regulated facilities in San Marco, Texas, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 0 RCRA hazardous waste handlers (0.0%).

Q: Which ZIP codes in San Marco, TX have the most EPA-tracked sites?

Within San Marco, regulated facilities are primarily concentrated across local postal codes.

Q: How can I check a specific house or commercial property in San Marco, TX?

Enter the exact street address in San Marco into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.

Q: Is tap water safe in San Marco, TX and how many EPA water permits exist?

In San Marco, TX, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 1 Clean Water Act NPDES permits, and 0 impaired water body dischargers.

Q: What is the soil foundation risk and FEMA flood disaster history in San Marco, TX?

USDA regional soil screening for San Marco indicates a MODERATE shrink-swell foundation signal, and Hays County has recorded 4 federal FEMA disaster declarations (1 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.

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What Are the Major Property, Flood, Soil & Environmental Risks in San Marco, TX?

Public U.S. EPA records track 1 regulated facilities in San Marco, Texas (Hays County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, San Marco properties are screened for Tap Water & Watershed Permits (1 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 4 County FEMA Disaster Declarations, and EPA Zone 3 — Low Potential (< 2.0 pCi/L).

Total EPA Sites

1

High-Risk (0.0% vs 1.6% State)

0

Active Violators (0.0%)

0

Drinking & Clean Water

1

Federal Penalties

$0

San Marco, 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

Hays County: 4 FEMA Declarations (1 Flood/Storm)

🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Status Locked

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🪨 USDA Soil, Foundation & Water Table

Shrink-Swell Risk Signal: MODERATE • Pipe Corrosion: High

🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked

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🚰 Tap Water (SDWIS) & PFAS Check

0 SDWIS Systems • 1 NPDES Permits

🔒 0 Impaired Water (303d) & 0 Violation Dockets Locked

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☢️ EPA Radon & Karst Sinkhole

EPA Zone 3 — Low Potential (< 2.0 pCi/L)

Elevated Edwards / Carbonate Karst Belt — Monitor Foundation Settlement & Surface Depressions

🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 San Marco, TX Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)

1. Municipal Regulatory & Water Program Mix

RCRA Hazardous Waste Generators 0 (0.0%)

Clean Water (NPDES) & Drinking Water (SDWIS) 1 (100.0%)

Active EPA Non-Compliance Dockets 0 (0.0%)

High-Risk Enforcement Facilities 0 (0.0%)

2. FEMA NRI & USGS Hazard Index (1–10) Relatively Moderate (90.6/100)

🌊 Flood Exposure 5/10 • Moderate Hazard

🔥 Wildfire Hazard 3/10 • Low Hazard

☀️ Extreme Heat 5/10 • Moderate Hazard

🌪️ Severe Wind / Storm 7/10 • High Hazard

🫨 USGS Earthquake 2/10 • Low Seismic Hazard

3. City vs. County & State Benchmark

San Marco High-Risk Rate 0.0%

Hays County Average 1.5%

Texas (TX) Statewide Avg 1.6%

Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.

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ZIP Codes in San Marco, TX

Highest-Scored EPA Regulated Facilities in San Marco, 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
ALLEN CORRIDOR FREE PREVIEW (LOW RISK)	NORTHEAST OF THE INTERSECTION OF IH-35 AND POSEY R, SAN MARCO, TX 78666	LOW (13/100)	No Violation Identified (0 qtrs NC)	$0

Frequently Asked Questions — San Marco, Texas Environmental Risk & Radon

How many EPA-regulated facilities are in San Marco, TX?

U.S. EPA records track 1 regulated facilities in San Marco, Texas, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 0 RCRA hazardous waste handlers (0.0%).

Which ZIP codes in San Marco, TX have the most EPA-tracked sites?

Within San Marco, regulated facilities are primarily concentrated across local postal codes.

How can I check a specific house or commercial property in San Marco, TX?

Enter the exact street address in San Marco into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.

Is tap water safe in San Marco, TX and how many EPA water permits exist?

In San Marco, TX, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 1 Clean Water Act NPDES permits, and 0 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in San Marco, TX?

USDA regional soil screening for San Marco indicates a MODERATE shrink-swell foundation signal, and Hays County has recorded 4 federal FEMA disaster declarations (1 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.