Archived Updates
March 14, 2026
Emergency Repairs Completed: Flow Restored to Potomac Interceptor
March 13, 2026
Final Steps Complete, Preparations Underway for Returning Flow to the Potomac Interceptor
March 12, 2026
Weather Slows Environmental Rehabilitation and Emergency Repairs, with Work Resuming Late Day and Overnight
March 11, 2026
Initial Phase of Environmental Rehabilitation on West Section of Drainage Channel Nearing Completion
March 10, 2026
Work To Return Flow to Potomac Interceptor by Mid-March on Target
March 9, 2026
Work Underway on Final Steps to Return Flow to the Potomac Interceptor, Complete Emergency Repair
March 8, 2026
Work Nearly Complete to Reinforce Downstream Section of Damaged Potomac Interceptor
March 7, 2026
Significant Progress Made to Reinforce Downstream Section of Damaged Potomac Interceptor
March 6, 2026
Emergency Repair on Potomac Interceptor Reaches Halfway Mark — Upstream Section Reinforcement Complete
March 5, 2026
DC Water Releases Condition Assessment on Potomac Interceptor Collapse
March 4, 2026
Pipe Reinforcement Underway to Repair Damaged Section of Potomac Interceptor
March 3, 2026
UPDATE: Emergency Repair Work Set to Begin on Potomac Interceptor
March 2, 2026
March 1, 2026
UPDATE: Progress on Potomac Interceptor Repair and Environmental Restoration Efforts
February 28, 2026
UPDATE: Nearly Three Weeks Without An Overflow To Potomac River As Repair Efforts Continue On Potomac Interceptor
February 27, 2026
UPDATE: Crews Nearing Start of Repairs for Potomac Interceptor as Cleaning Continues
February 26, 2026
UPDATE: Cleaning Continues in Preparation for Emergency Repairs to Damaged Potomac Interceptor Section; No Overflows to River in 18 Days
February 25, 2026
UPDATE: Work to Remove Rocks and Debris Dam Blocking Damaged Potomac Interceptor Nearly Complete
February 24, 2026
UPDATE: Crews Closer to Reaching Rocks and Debris Blocking Damaged Potomac Interceptor
February 23, 2026
UPDATE: Excavation Site Extended Around Damaged Section of Potomac Interceptor to Access Rock Blockage
February 22, 2026
DC Water Takes Measures Ahead of Rain, Snow to Prevent Flooding and Impacts on Potomac Interceptor Repairs
February 21, 2026
No Surface Water Overflows Reported; Repairs and Bypass Operations Ongoing
February 20, 2026
Work Continues to Clear Large Rocks and Debris from Damaged Pipe
February 19, 2026
DC Water Reaches Collapsed Pipe Section; Damage Assessment Underway
February 18, 2026
Testing Successful for Bulkhead Gate Installation; Work Underway to Reach Damaged Pipe Section
February 17, 2026
Bulkhead Installation in Progress; Expanded Bypass Pumping Improves Flow Management
February 16, 2026
DC Water Advances Work to Repair Damaged Section of Potomac Interceptor
February 15, 2026
Increased Pumping Capacity, New Access Operational to Return Flow to Interceptor Further Downstream
February 14, 2026
Enhanced Bypass Pumps Operational, Pump Capacity Increased
February 13, 2026
Additional Pumping Capacity Ready for Weather Event, Site Preparations Continue
February 12, 2026
Construction of Enhanced Bypass System Continues, Additional High Capacity Pumps En Route
February 11, 2026
Enhanced Bypass Pumping System Construction Ongoing to Add Redundancy, Improve Reliability
February 10, 2026
Work Underway to Increase Bypass Capacity; Weather‑Related Monitoring Ongoing
February 8, 2026
Bypass System Diverting Wastewater but Pump Maintenance and Operational Issues Remain a Challenge
February 7, 2026
Bypass System Expansion and Emergency Repair Operations
February 6, 2026
DC Water Releases Key Findings on Extent of Sewer Overflow and Potomac River Impact
February 5, 2026
DC Water Identifies Significant Rock Blockage in Potomac Interceptor, Impacting Cleaning and Repair Timeline
February 4, 2026
Update on Potomac Interceptor –Cleaning Efforts Continue to Remove Blockage of Rocks and Debris in Damaged Pipe
February 3, 2026
Pipe Cleaning Underway to Remove Rocks and Debris, Mobile for Repair
January 30, 2026
Progress on Sewer Collapse Response: Excavation Advances, Soil Stabilized, Pipe Cleaning Set to Begin
January 29, 2026
No Sewer Overflows Reported Today from Damaged Sewer Line as Excavation Work, Pumping Continues
January 28, 2026
DC Water Begins Excavation to Assess Damaged Sewer Line and Lay Groundwork for Repair Efforts
January 26, 2026
Sewer Overflow Significantly Reduced from Collapsed Sewer Line, Weather Challenges Remain for Full Containment
January 25, 2026
Work Underway to Drain Remaining Wastewater from Damaged Sewer Line to Begin Excavation and Repair
January 24, 2026
DC Water Activates Bypass to Contain Wastewater Overflows from Potomac Interceptor
January 23, 2026
Pumps are in Place and DC Water is Reinforcing Receiving Section of Potomac Interceptor to Complete Bypass
January 22, 2026
DC Water Working to Install Bypass Pumps, as Progress Continues to Contain Sewer Overflow
January 21, 2026
DC Water Advancing Work on Bypass to Contain Sewer Overflow
January 20, 2026
DC Water Works to Contain and Create Bypass System for Sewer Overflow from Potomac Interceptor in Maryland
January 19, 2026
DC Water Investigating Sanitary Sewer Overflow from Potomac Interceptor in Maryland
