environment
Incoming storm to help rinse Potomac after sewage leak: DC Water
Heavy rains expected Monday may help environmental recovery following a historic raw sewage spill in the Potomac River.
TL;DR
- A section of the Potomac Interceptor sewage line collapsed on January 19, spilling hundreds of millions of gallons of raw sewage.
- Repairs to the sewage line are complete, and wastewater is flowing safely through the pipe.
- Cleanup of the Chesapeake & Ohio Canal, where sewage was channeled during repairs, began Monday.
- Heavy rains expected on Monday are predicted to help flush residual waste from the canal.
- A freshwater dam is being finished at Lock 14 of the canal to help flush remaining contaminants.
- Federal lawmakers are investigating the incident, seeking information on infrastructure and oversight.
- Local officials have questioned DC Water leadership about maintenance and inspection practices.
- DC Water did not believe the pipe was in imminent danger after its last inspection in October 2024.
- The District of Columbia Department of Health lifted its recreational advisory for the Potomac on March 2, but swimming remains prohibited without a special permit.