ZIP 20223 (Washington, DC) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 20223 in Washington, District of Columbia (District Of Columbia County) has 3 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 0 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 20223 are screened across 2 historical District Of Columbia County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (0), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 20223 (Washington, DC) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 20223 (Washington, DC) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 20223 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 0 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 20223 (Washington, DC)
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 |
|---|---|---|---|---|
| UNITED STATES SECRET SERVICE HR FREE PREVIEW (LOW RISK) | 950 H STREET, NW, WASHINGTON, DC 20223 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| NORTHWESTERN DEVELOPMENT COMPANY FREE PREVIEW (LOW RISK) | 1800 G STREET NORTHWEST ROOM 929, WASHINGTON, DC 20223 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| US HEADQUARTERS HEALTH UNIT FREE PREVIEW (LOW RISK) | 950 H STREET NW, WASHINGTON, DC 20223 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 20223 (Washington, DC) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 20223 (Washington, DC)?
ZIP code 20223 (Washington, DC) contains 3 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 0 (0.0%) have active compliance violations, and 3 (100.0%) handle RCRA hazardous waste.
How does ZIP 20223 compare to District Of Columbia County and District of Columbia averages?
In ZIP 20223, 0.0% of regulated sites are rated High Risk, compared to 1.9% across District Of Columbia County and 1.9% statewide in District of Columbia.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 20223?
Geologic screening places ZIP 20223 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 20223 (Washington, DC) in a FEMA flood zone and what is the flood disaster history?
District Of Columbia County has recorded 2 historical FEMA federal disaster declarations (0 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 20223 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 20223 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 20223 indicates a LOW shrink-swell risk signal. Within ZIP 20223, federal registries track 0 SDWIS drinking water facilities, 0 Clean Water NPDES permits, and 0 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.