District of Columbia (DC) — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards
According to public U.S. EPA, USDA, and FEMA registries (current as of November 01, 2026), District of Columbia tracks 3,950 EPA-regulated facilities, including 75 High-Risk sites (1.9%), 168 active violators, and $1,068,199 in federal penalties. Statewide environmental due diligence also covers 7 Safe Drinking Water (SDWIS) facilities, 757 Clean Water NPDES permits, 2 historical FEMA disaster declarations, USDA Soil Shrink-Swell (LOW regional signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
District of Columbia (DC) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Screening Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 District of Columbia (DC) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Major Municipal Environmental Directories in District of Columbia
Counties in District of Columbia (9)
| County | Total Sites | High Risk | RCRA Waste |
|---|---|---|---|
| District Of Columbia County | 3,678 | 70 | 2,733 |
| Washington County | 164 | 2 | 4 |
| Arlington County | 8 | 0 | 0 |
| Mckinley County | 7 | 0 | 0 |
| Schenectady County | 5 | 0 | 0 |
| Out-Of-State County | 2 | 0 | 2 |
| Fairfax County | 1 | 0 | 0 |
| Prince Georges County | 1 | 0 | 1 |
| Queen Anne'S County | 1 | 0 | 0 |
Highest-Density ZIP Codes in District of Columbia
| ZIP Code | City | Total Sites | High Risk |
|---|---|---|---|
| 20002 | Washington | 448 | 5 |
| 20001 | Washington | 318 | 5 |
| 20018 | Washington | 258 | 5 |
| 20019 | Washington | 168 | 5 |
| 20037 | Washington | 107 | 5 |
| 20012 | Washington | 101 | 5 |
| 20017 | Washington | 90 | 4 |
| 20005 | Washington | 177 | 3 |
| 20032 | Washington | 164 | 3 |
| 20009 | Washington | 152 | 3 |
| 20003 | Washington | 280 | 2 |
| 20011 | Washington | 211 | 2 |
| 20024 | Washington | 180 | 2 |
| 20036 | Washington | 179 | 2 |
| 20020 | Washington, D.C. | 154 | 2 |
| 20016 | Washington | 149 | 2 |
| 20006 | Washington | 101 | 2 |
| 20008 | Washington | 98 | 2 |
| 20307 | Washington | 5 | 2 |
| 20007 | Washington | 164 | 1 |
| 20010 | Washington | 81 | 1 |
| 20374 | Washington | 16 | 1 |
| 20560 | Washington | 7 | 1 |
| 20422 | Washington | 4 | 1 |
| 20052 | Washington | 3 | 1 |
| 20060 | Washington | 3 | 1 |
| 20375 | Washington | 2 | 1 |
| 20317 | Washington | 2 | 1 |
| 20230 | Washington | 2 | 1 |
| 20026 | Washington | 1 | 1 |
| 20528 | Washington | 1 | 1 |
| 20049 | Washington | 1 | 1 |
| 20004 | Washington | 80 | 0 |
| 20015 | Washington | 49 | 0 |
| 12345 | Cbi | 27 | 0 |
| 20013 | Washington | 10 | 0 |
| 20515 | Washington | 8 | 0 |
| 20242 | Washington | 8 | 0 |
| 20319 | Washington | 5 | 0 |
| 20551 | Washington | 5 | 0 |
| 20057 | Washington | 4 | 0 |
| 20566 | Washington | 4 | 0 |
| 20064 | Washington | 4 | 0 |
| 20045 | Washington | 4 | 0 |
| 20059 | Washington | 4 | 0 |
| 20418 | Washington Dc | 4 | 0 |
| 20207 | Washington | 3 | 0 |
| 20240 | Washington | 3 | 0 |
| 20431 | Washington | 3 | 0 |
| 20390 | Washington | 3 | 0 |
| 20068 | Washington | 3 | 0 |
| 20228 | Washington | 3 | 0 |
| 20223 | Washington | 3 | 0 |
| 20025 | Washington | 2 | 0 |
| 20405 | Washington | 2 | 0 |
| 20260 | Washington | 2 | 0 |
| 20500 | Washington | 2 | 0 |
| 20593 | Washington | 2 | 0 |
| 20565 | Washington | 2 | 0 |
| 20071 | Washington | 2 | 0 |
Highest-Scored EPA Enforcement & Contamination Facilities in District of Columbia
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 • WASHINGTON, DC (ZIP 20032 Sector) | HIGH (92/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WASHINGTON, DC (ZIP 20002 Sector) | HIGH (72/100) | Significant Violation (10 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • WASHINGTON, DC (ZIP 20317 Sector) | HIGH (71/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • WASHINGTON NAVY YARD, DC (ZIP 20374 Sector) | HIGH (70/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • WASHINGTON, DC (ZIP 20010 Sector) | HIGH (69/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • WASHINGTON, DC (ZIP 20032 Sector) | HIGH (69/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • WASHINGTON, DC (ZIP 20422 Sector) | HIGH (69/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • WASHINGTON, DC (ZIP 20407 Sector) | HIGH (68/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| MACFARLAND MS FREE PREVIEW (LOW RISK) | 4400 IOWA AVE. NW, WASHINGTON, DC 20011 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| WASHINGTON DC MERCURY INCIDENT FREE PREVIEW (LOW RISK) | 3401 4TH STREET SOUTHEAST, WASHINGTON, DC 20032 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| 630 EYE STREET NW FREE PREVIEW (LOW RISK) | 630 EYE STREET NW, WASHINGTON, DC 20001 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| THE MUSEUM PLACE FREE PREVIEW (LOW RISK) | 65 I STREET, SW, WASHINGTON, DC 20024 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — District of Columbia (DC) Environmental Due Diligence & EPA Dataset
How many EPA-regulated environmental sites and high-risk facilities are in District of Columbia?
Public U.S. EPA records track 3,950 regulated facilities across District of Columbia. Of those, 75 (1.9%) are classified in the High-Risk tier due to formal enforcement actions, penalties, or toxic chemical releases, and 168 (4.3%) have active non-compliance quarters.
Which counties and ZIP codes in District of Columbia have the highest concentration of EPA-regulated sites?
In District of Columbia, the highest regulated facility volumes are concentrated in District Of Columbia County (3,678 sites), Washington County (164 sites), Arlington County (8 sites), Mckinley County (7 sites), with key high-risk postal sectors including ZIP 20002 (Washington, 5 high-risk), ZIP 20001 (Washington, 5 high-risk), ZIP 20018 (Washington, 5 high-risk), ZIP 20019 (Washington, 5 high-risk).
How many drinking water systems (SDWIS), Clean Water permits, and FEMA disaster declarations are recorded in District of Columbia?
Statewide in District of Columbia, federal registries track 7 Safe Drinking Water (SDWIS) facilities, 757 Clean Water Act NPDES permits, and 524 impaired water body (303d) dischargers, alongside 2 historical FEMA disaster declarations.
What is the EPA Radon Zone and USDA Soil Foundation Risk for properties in District of Columbia?
Regional geologic screening places District of Columbia in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L) with USDA regional soil shrink-swell rated LOW. Run a street address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.