Sewer overflows in District of Columbia

Sewer overflow record — reported spills, the worst utilities, and how often overflows reached waterways in District of Columbia.

Reported events
126
Total volume
245.5M gal
Reached waterways
0(0%)
Latest event
Jun 8, 2026

Worst utilities in District of Columbia

Ranked by number of reported overflow events.

#UtilityEventsVolumeReached water
1D.C. WASA Sanitary Sewer System126245.5M gal0

Biggest spills in District of Columbia

The largest single reported overflow events.