ZIP 77511 (Alvin, TX) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 77511 in Alvin, Texas (Brazoria County) has 274 EPA-tracked facilities, including 10 High-Risk sites (3.6%), 9 active violators, and $3,421,726 in federal penalties. Beyond industrial pollution, properties in ZIP 77511 are screened across 3 historical Brazoria County FEMA disasters, USDA Soil Foundation Shrink-Swell (HIGH signal), Tap Water & Watershed Permits (171), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
ZIP 77511 (Alvin, TX) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 77511 (Alvin, TX) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 77511 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 10 High-Risk and 9 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 77511 (Alvin, 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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • ALVIN, TX (ZIP 77511 Sector) | HIGH (98/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ALVIN, TX (ZIP 77511 Sector) | HIGH (85/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ALVIN, TX (ZIP 77511 Sector) | HIGH (67/100) | Violation Identified (8 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ALVIN, TX (ZIP 77511 Sector) | HIGH (64/100) | Significant Violation (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ALVIN, TX (ZIP 77511 Sector) | HIGH (64/100) | Significant Violation (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ALVIN, TX (ZIP 77511 Sector) | MODERATE (46/100) | Violation Identified (5 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ALVIN, TX (ZIP 77511 Sector) | MODERATE (41/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ALVIN, TX (ZIP 77511 Sector) | MODERATE (38/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| RON CARTER AUTOLAND FREE PREVIEW (LOW RISK) | 3205 FM 528, ALVIN, TX 77511 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| DOX AQUACULTURE FREE PREVIEW (LOW RISK) | 8803 COUNTY ROAD 198, ALVIN, TX 77511 | LOW (18/100) | Unknown (0 qtrs NC) | $0 |
| BIOSOLIDS MANAGEMENT FREE PREVIEW (LOW RISK) | 850 COUNTY ROAD 149, ALVIN, TX 77511 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| SPECIALTY ENERGY SERVICES FREE PREVIEW (LOW RISK) | 22610 W HIGHWAY 6, ALVIN, TX 77511 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 77511 (Alvin, TX) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 77511 (Alvin, TX)?
ZIP code 77511 (Alvin, TX) contains 274 EPA-tracked facilities, of which 10 (3.6%) are classified in the High-Risk tier, 9 (3.3%) have active compliance violations, and 91 (33.2%) handle RCRA hazardous waste.
How does ZIP 77511 compare to Brazoria County and Texas averages?
In ZIP 77511, 3.6% of regulated sites are rated High Risk, compared to 4.4% across Brazoria County and 1.6% statewide in Texas.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 77511?
Geologic screening places ZIP 77511 in EPA Zone 3 — Low Potential (< 2.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 77511 (Alvin, TX) in a FEMA flood zone and what is the flood disaster history?
Brazoria County has recorded 3 historical FEMA federal disaster declarations (1 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 77511 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 77511 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 77511 indicates a HIGH shrink-swell risk signal. Within ZIP 77511, federal registries track 8 SDWIS drinking water facilities, 163 Clean Water NPDES permits, and 36 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.