ZIP 33770 (Largo, FL) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 33770 in Largo, Florida (Pinellas County) has 169 EPA-tracked facilities, including 1 High-Risk sites (0.6%), 3 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 33770 are screened across 14 historical Pinellas County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (97), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
ZIP 33770 (Largo, FL) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 33770 (Largo, FL) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 33770 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 3 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 33770 (Largo, 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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • BELLEAIR BLUFFS, FL (ZIP 33770 Sector) | HIGH (64/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • LARGO, FL (ZIP 33770 Sector) | MODERATE (45/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • LARGO, FL (ZIP 33770 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • LARGO, FL (ZIP 33770 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • LARGO, FL (ZIP 33770 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • LARGO, FL (ZIP 33770 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • LARGO, FL (ZIP 33770 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • BELLEAIR BLUFFS, FL (ZIP 33770 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| HCA LARGO HOSPITAL FREE PREVIEW (LOW RISK) | 201 14TH ST SW, LARGO, FL 33770 | LOW (26/100) | No Violation Identified (0 qtrs NC) | $0 |
| WALMART LARGO 1712 FREE PREVIEW (LOW RISK) | 990 MISSOURI AVE N, LARGO, FL 33770 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| HESS STATION #09358 FREE PREVIEW (LOW RISK) | 4 INDIAN ROCKS RD N, BELLEAIR BLUFFS, FL 33770 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| LARGO, CITY OF FREE PREVIEW (LOW RISK) | 201 HIGHLAND AVENUE N.E., LARGO, FL 33770 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 33770 (Largo, FL) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 33770 (Largo, FL)?
ZIP code 33770 (Largo, FL) contains 169 EPA-tracked facilities, of which 1 (0.6%) are classified in the High-Risk tier, 3 (1.8%) have active compliance violations, and 73 (43.2%) handle RCRA hazardous waste.
How does ZIP 33770 compare to Pinellas County and Florida averages?
In ZIP 33770, 0.6% of regulated sites are rated High Risk, compared to 0.5% across Pinellas County and 0.7% statewide in Florida.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 33770?
Geologic screening places ZIP 33770 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 33770 (Largo, FL) in a FEMA flood zone and what is the flood disaster history?
Pinellas County has recorded 14 historical FEMA federal disaster declarations (14 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 33770 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 33770 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 33770 indicates a LOW shrink-swell risk signal. Within ZIP 33770, federal registries track 4 SDWIS drinking water facilities, 93 Clean Water NPDES permits, and 81 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.