City Of San Marcos, Texas — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in City Of San Marcos, TX?
Public U.S. EPA records track 10 regulated facilities in City Of San Marcos, Texas (Hays County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, City Of San Marcos properties are screened for Tap Water & Watershed Permits (10 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 4 County FEMA Disaster Declarations, and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
City Of San Marcos, TX 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 City Of San Marcos, TX Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in City Of San Marcos, TX
Highest-Scored EPA Regulated Facilities in City Of San Marcos, 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • CITY OF SAN MARCOS, TX (ZIP 78666 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CITY OF SAN MARCOS, TX (ZIP 78666 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CITY OF SAN MARCOS, TX (ZIP 78666 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CITY OF SAN MARCOS, TX (ZIP 78666 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| FM 1978 WATER RECLAMATION FACILITY 2 FREE PREVIEW (LOW RISK) | 630 EAST HOPKINS ST, CITY OF SAN MARCOS, TX 78666 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| RATTLER RIFGE WWTP FREE PREVIEW (LOW RISK) | LOCATED 1M E OF INT HWY 123 AND FM 1978 PROP IS NO, CITY OF SAN MARCOS, TX 78666 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| FLEMING FARMS WWTP FREE PREVIEW (LOW RISK) | NE OF INTX OF WHY 123 & HWY 1978 BETW SKYLINE, CITY OF SAN MARCOS, TX 78666 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| UPPER CREEK WWTP FREE PREVIEW (LOW RISK) | 6397 HIGHWAY 21, CITY OF SAN MARCOS, TX 78666 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CITY OF SAN MARCOS, TX (ZIP 78666 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CITY OF SAN MARCOS, TX (ZIP 78666 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — City Of San Marcos, Texas Environmental Risk & Radon
How many EPA-regulated facilities are in City Of San Marcos, TX?
U.S. EPA records track 10 regulated facilities in City Of San Marcos, 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 City Of San Marcos, TX have the most EPA-tracked sites?
Within City Of San Marcos, regulated facilities are primarily concentrated across local postal codes.
How can I check a specific house or commercial property in City Of San Marcos, TX?
Enter the exact street address in City Of San Marcos 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 City Of San Marcos, TX and how many EPA water permits exist?
In City Of San Marcos, TX, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 10 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in City Of San Marcos, TX?
USDA regional soil screening for City Of San Marcos 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.