Monroe County, Florida — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Monroe County, FL?
In Monroe County, Florida, public U.S. EPA records track 30 regulated facilities (#122 of 136 in Florida), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 28 Clean Water NPDES permits, 9 FEMA Federal Disaster Declarations (9 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
Monroe County, FL 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Monroe County, FL Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Monroe County
ZIP Codes in Monroe County
Top EPA Regulated Facilities in Monroe County, FL
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 • KEY WEST, FL (ZIP 33040 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| OCEANSIDE RESORT & MARINA FREE PREVIEW (LOW RISK) | 5950 PENINSULAR AVE, KEY WEST, FL 33040 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| MARATHON CITY HALL FREE PREVIEW (LOW RISK) | 9800 OVERSEAS HWY, MARATHON, FL 33050 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| KEY LARGO COMMERCIAL CENTER FREE PREVIEW (LOW RISK) | 101000 OVERSEAS HWY, KEY LARGO, FL 33037 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| LAKE SURPRISE ESTATES FREE PREVIEW (LOW RISK) | LARGO ROAD, KEY LARGO, FL 33037 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • KEY LARGO, FL (ZIP 33037 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MARATHON, FL (ZIP 33050 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • KEY WEST, FL (ZIP 33040 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MARATHON, FL (ZIP 33050 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • BIG PINE KEY, FL (ZIP 33043 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MARATHON, FL (ZIP 33050 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • KEY WEST, FL (ZIP 33040 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Monroe County, Florida Environmental Due Diligence
How many EPA-regulated environmental sites are in Monroe County County, Florida?
Public U.S. EPA records track 30 regulated facilities in Monroe County County, Florida (ranking #122 of 136 jurisdictions in FL). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 0 (0.0%) have active non-compliance quarters.
Which ZIP codes and cities in Monroe County County have the highest regulated facility density?
Within Monroe County County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Monroe County.
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Monroe County County?
Across Monroe County County, 0 facilities (0.0% 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 Monroe County County, FL?
Geologic indoor air screening places Monroe County 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 Monroe County County, FL?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 28 Clean Water Act NPDES permits, and 24 impaired water dischargers in Monroe County County, alongside 9 historical FEMA federal disaster declarations (9 flood/storm events).
Does Monroe County, FL have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Monroe County indicates a LOW 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.