District of Columbia, DC
The federal environmental record for District of Columbia (population 678,972): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
49
federal cleanup sites
3
PFAS-detecting water systems
10
TRI facilities
101
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Washington Navy Yard | Washington | on the NPL | 07/28/1998 |
Drinking water: PFAS testing
Public water systems serving District of Columbia with at least one PFAS detection under UCMR5. The federal limit for PFOA and PFOS is 4 ng/L; EPA proposed in May 2026 to rescind the limits for the other compounds, which are shown for information.
| System | Highest results | Reading |
|---|---|---|
| D.C. WATER AND SEWER AUTHORITY DC0000002 | PFPeA: 4.7 ng/L PFHxA: 3.1 ng/L | detected |
| NAVAL STATION WASHINGTON - WNY DC0000003 | PFPeA: 4.3 ng/L PFHxA: 3.8 ng/L | detected |
| JOINT BASE ANACOSTIA - BOLLING DC0000004 | PFPeA: 5.6 ng/L PFHxA: 5.2 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
10 facilities in District of Columbia filed TRI reports for 2024, totalling 22k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| US ARMY CORPS OF ENGINEERS MCMILLAN WTP WASHINGTON AQUEDUC | WASHINGTON | Manganese And Manganese Compounds, Copper And Copper Compounds | 21k lb |
| FORT TOTTEN READY MIX CONCRETE | WASHINGTON | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Mercury And Mercury Compounds | 737 lb |
| US DEPARTMENT OF THE TREASURY-BUREAU OF ENGRAVING & PRINTING | WASHINGTON | Nickel compounds, Lead | 347 lb |
| US ARMY CORPS OF ENGINEERS DALECARLIA WTP | WASHINGTON | Ammonia | 182 lb |
| US SECRET SERVICE | WASHINGTON | Lead And Lead Compounds | 60 lb |
| FORT MYER CONSTRUCTION PLANT 2 | WASHINGTON | Polycyclic aromatic compounds, Benzo[g,h,i]perylene | 49 lb |
| FORT MYER CONSTRUCTION PLANT 1 | WASHINGTON | Polycyclic aromatic compounds | 9 lb |
| VIRGINIA CONCRETE QUEENS CHAPEL PLANT | WASHINGTON | Lead | 0 lb |
| VIRGINIA CONCRETE-SOUTHWEST DC PLANT | WASHINGTON | Lead | 0 lb |
| JOINT BASE ANACOSTIA BOLLING RANGES | WASHINGTON | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 1,305 tank facilities in District of Columbia: 558 tanks in service and 3,612 closed. 1,438 fuel releases are on record, of which 101 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps District of Columbia as Zone 3, the lowest predicted indoor radon (under 2 pCi/L average). Radon and air quality are covered in depth on lung.com.
The record for one specific address
County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.
Get the report - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for District of Columbia, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- AARON'S CLEANERSWASHINGTON
- APPALACHIA RISING SITEWASHINGTON
- BAPTIZED BELIEVERS CHURCHWASHINGTON
- BARNEY CIRCLE - FED FACWASHINGTON
- BOLLING AIR FORCE BASEWASHINGTON
- BUREAU OF ENGRAVING AND PRINTINGWASHINGTON
- CAPITAL CLEANERSWASHINGTON
- CASSELLS CLEANERSWASHINGTON
- DIAMOND ORDNANCE FUZE LABWASHINGTON
- FOOD & DRUG ADMINISTRATIONWASHINGTON
- FORT MCNAIRWASHINGTON
- GEORGIA AVENUE PCE SITEWASHINGTON
- GSA - SOUTHEAST FEDERAL CENTERWASHINGTON
- GSA ARIEL RIOS FEDERAL BUILDINGWASHINGTON
- HAYES STREET NORTH EAST PESTICIDEWASHINGTON
- HERBERT C HOOVER BUILDING - DEPARTMENT OF COMMERCEWASHINGTON
- HUBERT H. HUMPHREY BUILDINGWASHINGTON
- IRS-WASHINGTONWASHINGTON
- J EDGAR HOOVER FBI BUILDINGWASHINGTON
- JOINT BASE ANACOSTIA BOLLINGWASHINGTON
- KENILWORTH PARK LANDFILL SITEWASHINGTON
- LEON'S NEW SYSTEM DRY CLEANERSWASHINGTON
- LONG BROTHERS CLEANERSWASHINGTON
- MADISON CLEANERSWASHINGTON
- NAVAL RESEARCH LABORATORYWASHINGTON
- NEWNAM AND LUNSON DRY CLEANERSWASHINGTON
- NGA-WASHINGTON NAVYWASHINGTON
- NPS - ANACOSTIA PARK SECTIONS E & FWASHINGTON
- PEPCO BENNING ROAD FACILITYWASHINGTON
- POPLAR POINT NURSERYWASHINGTON
- SMITHSONIAN INSTITUTION - NATIONAL AIR & SPACE MUSEUMWASHINGTON
- SMITHSONIAN NATIONAL MUSEUM OF NATURAL HISTORYWASHINGTON
- SOLDIERS AND AIRMEN'S HOMEWASHINGTON
- ST. ELIZABETH'S EAST CAMPUSWASHINGTON
- ST. ELIZABETHS WEST CAMPUS - GSAWASHINGTON
- STARBURST INTERSECTION GROUNDWATERWASHINGTON
- U.S. CAPITOL COMPLEXWASHINGTON
- U.S. GOVERNMENT PUBLISHING OFFICEWASHINGTON
- US NAVAL OBSERVATORYWASHINGTON
- US SECRET SERVICE - WILLIAM JEFFERSON CLINTON BUILDINGWASHINGTON
- USDA ARS DC NATIONAL ARBORETUM MAINTENANCE FACILITYWASHINGTON
- USDOD NAVAL SECURITY STATIONWASHINGTON
- VA MEDICAL CENTERWASHINGTON
- WALTER REED ARMY MEDICAL CENTERWASHINGTON
- WASHINGTON D.C. CHEMICAL MUNITIONS SITE (SPRING VALLEY)WASHINGTON
- WASHINGTON DC MERCURY INCIDENTWASHINGTON
- WASHINGTON GAS LIGHT SITEWASHINGTON
- WASHINGTON HEADQUARTERS (EPA)WASHINGTON
- WASHINGTON NAVY YARDWASHINGTON NAVY YARD