NATIONAL PARK SERVICE · alerts
DC Water Sewer Overflow
January 23, 2026 · Source: National Park Service
DC Water is managing a sanitary sewer overflow from the Potomac Interceptor near Lock 10. Anyone with questions or in need of support can reach out to DC Water’s 24-Hour Command Center at (202) 612-3400 or visit https://www.dcwater.com/about-dc-water/media/potomac-interceptor-collapse.
Read the official NPS sourceWhat Travelers Need to Know
Use the official notice to confirm the affected destination, dates and visitor arrangements before finalizing your trip.
This is an archived notice. Confirm its current status on the official conditions page before traveling.
Traveler guidance by State & Nation Staff Writer.