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Mayaguez County, Puerto Rico — Property Hazard, Flood Zone, Soil, Water & EPA Guide

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What Are the Flood, Soil Foundation & EPA Risks in Mayaguez County, PR?

In Mayaguez County, Puerto Rico, public U.S. EPA records track 250 regulated facilities (#7 of 119 in Puerto Rico), including 4 (1.6%) High-Risk sites and $6,900 in federal penalties. Countywide due diligence also covers 3 Safe Drinking Water (SDWIS) facilities, 26 Clean Water NPDES permits, 4 FEMA Federal Disaster Declarations (4 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).

Total EPA Sites (#7/119)
250
High-Risk (1.6% vs 3.4% State)
4
Active Violators (3.2%)
8
Drinking & Clean Water
29
Federal Penalties
$6,900

Mayaguez County, PR 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
4 County FEMA Declarations (4 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
3 SDWIS Systems • 26 NPDES Permits
🔒 22 Impaired Water (303d) & 6 Violation Dockets Locked
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☢️ EPA Radon & Karst Sinkhole
EPA Zone 3 — Low Potential (< 2.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Mayaguez County, PR 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 171 (68.4%)
Clean Water (NPDES) & Drinking Water (SDWIS) 29 (11.6%)
Active EPA Non-Compliance Dockets 8 (3.2%)
High-Risk Enforcement Facilities 4 (1.6%)
2. FEMA NRI & USGS Hazard Index (1–10) Insufficient Data (50.0/100)
🌊 Flood Exposure 1/10 • Insufficient Data
🔥 Wildfire Hazard 2/10 • Insufficient Data
☀️ Extreme Heat 3/10 • Insufficient Data
🌪️ Severe Wind / Storm 1/10 • Insufficient Data
🫨 USGS Earthquake 1/10 • Insufficient Data
3. County vs. State & National Benchmark
Mayaguez County High-Risk % 1.6%
Puerto Rico (PR) Statewide Avg 3.4%
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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Municipalities in Mayaguez County

Mayaguez (272) Mayaguez Municipio (1)

Top EPA Regulated Facilities in Mayaguez County, PR

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 • MAYAGUEZ, PR (ZIP 00680 Sector) HIGH (70/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • MAYAGUEZ, PR (ZIP 00680 Sector) HIGH (68/100) Violation Identified (7 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • MAYAGUEZ, PR (ZIP 00681 Sector) HIGH (64/100) Significant Violation (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • MAYAGUEZ, PR (ZIP 00680 Sector) HIGH (64/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • MAYAGUEZ, PR (ZIP 00681 Sector) MODERATE (48/100) Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • MAYAGUEZ, PR (ZIP 00681 Sector) MODERATE (46/100) Violation Identified (5 qtrs NC) 🔒 5 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • MAYAGUEZ, PR (ZIP 00680 Sector) MODERATE (32/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • MAYAGUEZ, PR (ZIP 00680 Sector) MODERATE (30/100) Violation Identified (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
MAYAGUEZ FREE PREVIEW (LOW RISK) CALLE PERAL #18, MAYAGUEZ, PR 00681 LOW (17/100) Unknown (0 qtrs NC) $0
SERVCO CORP FREE PREVIEW (LOW RISK) CALLE JOSE PADILLA ED 2, MAYAGUEZ, PR 00680 LOW (17/100) No Violation Identified (0 qtrs NC) $0
PR PUB HOUSING - RES CUESTA LAS PIEDRAS FREE PREVIEW (LOW RISK) POST ST RD 348 KM 01 #24, MAYAGUEZ, PR 00608 LOW (17/100) No Violation Identified (0 qtrs NC) $0
DEPT DE PATOLOGIA - HOSPITAL BELLA VISTA FREE PREVIEW (LOW RISK) CARR 349 KM 2.7 FRENTE HOSPITAL BELLA VISTA, MAYAGUEZ, PR 00680 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 238 Additional Regulated & Enforcement Records in Mayaguez County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Mayaguez County, Puerto Rico Environmental Due Diligence

How many EPA-regulated environmental sites are in Mayaguez County, Puerto Rico?

Public U.S. EPA records track 250 regulated facilities in Mayaguez County, Puerto Rico (ranking #7 of 119 jurisdictions in PR). Of those, 4 (1.6%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 8 (3.2%) have active non-compliance quarters.

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

Within Mayaguez County, the highest concentrations of EPA-tracked facilities are located in ZIP 00680 (Mayaguez, 166 sites), ZIP 00681 (Mayaguez, 43 sites), ZIP 00608 (Mayaguez, 3 sites), spanning municipal corridors including Mayaguez (272 sites), Mayaguez Municipio (1 sites).

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

Across Mayaguez County, 171 facilities (68.4% 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 Mayaguez County, PR?

Geologic indoor air screening places Mayaguez 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 Mayaguez County, PR?

Federal records track 3 Safe Drinking Water (SDWIS) facilities, 26 Clean Water Act NPDES permits, and 22 impaired water dischargers in Mayaguez County, alongside 4 historical FEMA federal disaster declarations (4 flood/storm events).

Does Mayaguez County, PR have expansive clay soil or foundation risk?

USDA regional soil engineering screening for Mayaguez 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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