47 water systems tracked in District of Columbia, serving 718,090 people. Data from EPA UCMR5, screened against the 4 ppt federal MCL.
District of Columbia follows federal EPA MCLs (PFOA/PFOS: 4 ppt).
DC follows federal EPA MCLs. DC Water monitors for PFAS in drinking water supply.
DC follows federal EPA MCLs. DC Water actively monitors for PFAS in drinking water supply.
Free check against EPA UCMR5 data for PFOA and PFOS above the 4 ppt limit, plus weekly District of Columbia MCL, deadline, and funding alerts.
If your system needs a lab, an engineer, a treatment firm or a funding contact, tell us what the project needs. We'll point you to who may fit.
Firms with PFAS-related federal awards routed to District of Columbia (USASpending). See the national top 50 →
| Rank | Recipient | Total awarded | # awards |
|---|---|---|---|
| 1 | AECOM TECHNICAL SERVICES, INC. | $21,476,068 | 1 |
| 2 | RURAL COMMUNITY ASSISTANCE PARTNERSHIP INCORPORATED | $6,900,000 | 2 |
| 3 | CH2M HILL, INC | $3,922,937 | 2 |
| 4 | DEPARTMENT OF ENERGY AND ENVIRONMENT | $2,671,711 | 2 |
| 5 | CLEAN HARBORS ENVIRONMENTAL SERVICES INC | $2,216,598 | 1 |
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| D.C. WATER AND SEWER AUTHORITY DC0000002 | WASHINGTON | 632,323 | — | — | No result above limit |
| NATIONAL AIRPORT VA6013080 | WASHINGTON | 28,055 | — | — | No result above limit |
| JOINT BASE ANACOSTIA - BOLLING DC0000004 | WASHINGTON | 19,312 | — | — | No result above limit |
| NAVAL STATION WASHINGTON - WNY DC0000003 | WASHINGTON NAVY YARD | 16,800 | — | — | No result above limit |
| BOLLING - JOINT BASE ANACOSTIA-BOLLING DC0000007 | JOINT BASE ANACOSTIA-BOLLING | 12,499 | — | — | No result above limit |
| Wingate Elementary School (New) - BIE 093534022 | Washington | 800 | — | — | No result above limit |
| Fort Wingate Community 093534020 | Washington | 550 | — | — |
| No result above limit |
| Eastern Navajo Agency - BIE 093534001 | Washington | 455 | — | — | No result above limit |
| BIE CHEMAWA INDIAN SCHOOL 104101132 | WASHINGTON | 320 | — | — | No result above limit |
| Chi Chil Tah Jones Ranch Community School - BIE 093534005 | Washington | 137 | — | — | No result above limit |
| Dibe Yazhi Habitiin (Borrego Pass) Day School-BIE 093534003 | Washington | 120 | — | — | No result above limit |
| Hanaadli Huerfano Boarding School - BIE 093534006 | Washington | 65 | — | — | No result above limit |
| Lake Valley Navajo School - BIE 093534010 | Washington | 60 | — | — | No result above limit |
| WASHINGTON AQUEDUCT DIVISION. DC0000001 | WASHINGTON | — | — | — | No result above limit |
PFAS-credentialed labs, treatment designers, remediation firms, and compliance consultants with active District of Columbia coverage. Free directory, no lead-gen pricing.