Markham, Texas — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Markham, TX?
Public U.S. EPA records track 22 regulated facilities in Markham, Texas (Matagorda County), including 2 High-Risk sites (9.1%) and 0 active violators. In addition to industrial waste, Markham properties are screened for Tap Water & Watershed Permits (6 systems), USDA Soil Foundation Shrink-Swell (HIGH signal), 3 County FEMA Disaster Declarations, and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
Markham, TX 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Markham, TX Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Markham, TX
Highest-Scored EPA Regulated Facilities in Markham, 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 • MARKHAM, TX (ZIP 77456 Sector) | MODERATE (40/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MARKHAM, TX (ZIP 77456 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MARKHAM, TX (ZIP 77456 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MARKHAM, TX (ZIP 77456 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 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 |
| MARATHON OIL COMPANY FREE PREVIEW (LOW RISK) | FM RD 2175 3M N E, MARKHAM, TX 77456 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| SOUTH TEXAS PIPELINE CO FREE PREVIEW (LOW RISK) | FM 1468, MARKHAM, TX 77414 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| TPGS - TRES PALACIOS FREE PREVIEW (LOW RISK) | 6700 FM 1468 N, MARKHAM, TX 77456 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MARKHAM, TX (ZIP 77456 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MARKHAM, TX (ZIP 77456 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MARKHAM, TX (ZIP 77456 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • MARKHAM, TX (ZIP 77456 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Markham, Texas Environmental Risk & Radon
How many EPA-regulated facilities are in Markham, TX?
U.S. EPA records track 22 regulated facilities in Markham, Texas, including 2 high-risk sites (9.1%), 0 active violators (0.0%), and 6 RCRA hazardous waste handlers (27.3%).
Which ZIP codes in Markham, TX have the most EPA-tracked sites?
Within Markham, regulated facilities are primarily concentrated across ZIP 77456 (22 sites).
How can I check a specific house or commercial property in Markham, TX?
Enter the exact street address in Markham 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 Markham, TX and how many EPA water permits exist?
In Markham, TX, federal registries track 2 Safe Drinking Water (SDWIS) facilities, 4 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Markham, TX?
USDA regional soil screening for Markham indicates a HIGH shrink-swell foundation signal, and Matagorda County has recorded 3 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.