U.S. water systems
District of Columbia Water Systems
District of Columbia
5 community water systems on record — 4 active, 1 inactive.
Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace District of Columbia’s official records. Always confirm current status with District of Columbia before making decisions based on this information.
Counties in District of Columbia
All community water systems in District of Columbia
- BOLLING - JOINT BASE ANACOSTIA-BOLLINGJOINT BASE ANACOSTIA-BOLLING · 12,499 servedInactive
- D.C. WATER AND SEWER AUTHORITYWASHINGTON · 632,323 servedActive
- JOINT BASE ANACOSTIA - BOLLINGWASHINGTON · 19,312 servedActive
- NAVAL STATION WASHINGTON - WNYWASHINGTON · 15,690 servedActive
- WASHINGTON AQUEDUCT DIVISION.WASHINGTON · 0 servedActive
| System name | City | Population served | Status |
|---|---|---|---|
| BOLLING - JOINT BASE ANACOSTIA-BOLLING | JOINT BASE ANACOSTIA-BOLLING | 12,499 | Inactive |
| D.C. WATER AND SEWER AUTHORITY | WASHINGTON | 632,323 | Active |
| JOINT BASE ANACOSTIA - BOLLING | WASHINGTON | 19,312 | Active |
| NAVAL STATION WASHINGTON - WNY | WASHINGTON | 15,690 | Active |
| WASHINGTON AQUEDUCT DIVISION. | WASHINGTON | 0 | Active |