ZIP 29405 (North Charleston, SC) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 29405 in North Charleston, South Carolina (Charleston County) has 421 EPA-tracked facilities, including 14 High-Risk sites (3.3%), 6 active violators, and $6,609,307 in federal penalties. Beyond industrial pollution, properties in ZIP 29405 are screened across 6 historical Charleston County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (165), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 29405 (North Charleston, SC) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 29405 (North Charleston, SC) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 29405 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 14 High-Risk and 6 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 29405 (North Charleston, SC)
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 • CHARLESTON, SC (ZIP 29405 Sector) | HIGH (92/100) | Significant Violation (11 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CHARLESTON, SC (ZIP 29405 Sector) | HIGH (69/100) | Violation Identified (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CHARLESTON, SC (ZIP 29405 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CHARLESTON, SC (ZIP 29405 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • NORTH CHARLESTON, SC (ZIP 29405 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CHARLESTON, SC (ZIP 29405 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • NORTH CHARLESTON, SC (ZIP 29405 Sector) | HIGH (64/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • NORTH CHARLESTON, SC (ZIP 29405 Sector) | HIGH (64/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| INTEGRATED POWER SERVICES LLC FREE PREVIEW (LOW RISK) | 1865 AVE B N, BLDG 177, N CHARLESTON, SC 29405 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| ALPHA ASSOCIATES FREE PREVIEW (LOW RISK) | 4854 OHEAR AVENUE, NORTH CHARLESTON, SC 29405 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| 3R OF CHARLESTON INCORPORATED FREE PREVIEW (LOW RISK) | 2900 RIVERS AVE, CHARLESTON HEIGHTS, SC 29405 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| RM ENGINEERED PRODUCTS FREE PREVIEW (LOW RISK) | 4854 B OHEAR AVE, NORTH CHARLESTON, SC 29405 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 29405 (North Charleston, SC) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 29405 (North Charleston, SC)?
ZIP code 29405 (North Charleston, SC) contains 421 EPA-tracked facilities, of which 14 (3.3%) are classified in the High-Risk tier, 6 (1.4%) have active compliance violations, and 203 (48.2%) handle RCRA hazardous waste.
How does ZIP 29405 compare to Charleston County and South Carolina averages?
In ZIP 29405, 3.3% of regulated sites are rated High Risk, compared to 0.9% across Charleston County and 1.4% statewide in South Carolina.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 29405?
Geologic screening places ZIP 29405 in EPA Zone 2 — Moderate Potential (2.0 – 4.0 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 29405 (North Charleston, SC) in a FEMA flood zone and what is the flood disaster history?
Charleston County has recorded 6 historical FEMA federal disaster declarations (5 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 29405 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 29405 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 29405 indicates a LOW shrink-swell risk signal. Within ZIP 29405, federal registries track 4 SDWIS drinking water facilities, 161 Clean Water NPDES permits, and 2 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.