Monroe County, Florida — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Monroe County, Florida, public U.S. EPA records track 785 regulated facilities (#39 of 136 in Florida), including 3 (0.4%) High-Risk sites and $33,273 in federal penalties. Countywide due diligence also covers 5 Safe Drinking Water (SDWIS) facilities, 378 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 01, 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • KEY WEST, FL (ZIP 33040 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • KEY LARGO, FL (ZIP 33037 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • LAKE CITY, FL (ZIP 32025 Sector) | MODERATE (46/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • STOCK ISLAND, FL (ZIP 33040 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • KEY WEST, FL (ZIP 33040 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • KEY LARGO, FL (ZIP 33037 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • TAVERNIER, FL (ZIP 33070 Sector) | MODERATE (32/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • KEY WEST, FL (ZIP 33040 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| KMART #9614 FREE PREVIEW (LOW RISK) | 101499 OVERSEAS HWY, KEY LARGO, FL 33037 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| SKEETERS MARINE REPAIR FREE PREVIEW (LOW RISK) | 30641 OVERSEAS HWY, BIG PINE KEY, FL 33043 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| KEY WEST, CITY OF FREE PREVIEW (LOW RISK) | 627 PALM AVE, KEY WEST, FL 33040 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| DRIFTWOOD MARINA & STORAGE, INC. FREE PREVIEW (LOW RISK) | 13900 OVERSEAS HIGHWAY, MARATHON, FL 33050 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Monroe County, Florida Environmental Due Diligence
How many EPA-regulated environmental sites are in Monroe County, Florida?
Public U.S. EPA records track 785 regulated facilities in Monroe County, Florida (ranking #39 of 136 jurisdictions in FL). Of those, 3 (0.4%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 5 (0.6%) have active non-compliance quarters.
Which ZIP codes and cities in Monroe County have the highest regulated facility density?
Within Monroe County, the highest concentrations of EPA-tracked facilities are located in ZIP 33404 (Key West, 400 sites), ZIP 33040 (Key West, 298 sites), ZIP 33050 (Marathon, 194 sites), spanning municipal corridors including Key West (269 sites), Marathon (190 sites), Key Largo (120 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Monroe County?
Across Monroe County, 425 facilities (54.1% 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, FL?
Geologic indoor air screening places Monroe 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, FL?
Federal records track 5 Safe Drinking Water (SDWIS) facilities, 378 Clean Water Act NPDES permits, and 313 impaired water dischargers in Monroe 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.