Work continues on the initial clean-up of the C & O Canal which was temporarily used as a bypass during the emergency repair of the Potomac Interceptor. Additional efforts are also underway on a freshwater dam at Lock 14, which will be used to help flush the sludge and debris.
As the environmental rehabiltation efforts continue, crews also made preparations to secure fencing, equipment, and ...
With flow returned to the Potomac Interceptor work has begun on the initial phase of clean-up for the C & O Canal which had been used as a bypass to redirect wastewater around the collapse site and into the pipe further downstream.
DC Water Celebrates Massive 55-Day Effort, Outlines Next Steps for Rehabilitation and Environmental Restoration
After 55 days of extraordinary effort with crews working around the clock, DC Water has successfully completed emergency repairs and returned the flow to the Potomac Interceptor to mark a major milestone.
- DC Water has completed final site preparations to return the flow to the Potomac Interceptor, marking and important milestone after 33 consecutive days without an overflow to the Potomac River.
- The geopolymer – used to seal and waterproof the trench boxes around the open pipe sections – finished curing today. This will allow the flow to safely be returned to the interceptor itself, allowing the ...
Second Meeting Scheduled in Bethesda; Community Forum in Alexandria Next Week
As DC Water nears completion of emergency repairs on the Potomac Interceptor sewer line, we remain committed to transparent communication and partnership with our community. Next week, two meetings are scheduled on March 18, in Bethesda, MD and March 19, in Alexandria, VA to hear from the community and provide ...
- Environmental Rehabilitation and Emergency Repair work on the Potomac Interceptor sewer line was slowed by rain and snow, as we enter day 33 without an overflow into the Potomac River.
- When there are measurable rain and snow, crews are unable to do environmental rehabilitation work due to the risk of spreading contamination. In addition, geopolymer being used to waterproof the trench boxes around ...
With 32 days of no overflows reaching the Potomac River, DC Water and its contractor continue to make progress on the Environmental Rehabilitation of the areas impacted by the failure in the Potomac Interceptor. Meanwhile work is nearing completion in the coming days on the emergency repair and is expected to meet the mid-March target.
- Work is progressing to meet the mid-March target to return the flow to the Potomac Interceptor, as we reach 31 days with no overflows reaching the Potomac River.
- The geopolymer applied to the upstream and downstream sections of the pipe has cured to reinforce the pipe and ensure structural integrity. This completes the repair on the pipe, which is now ready for the flow to return.
- Additional work is ...
- More than one month after the last overflow into the Potomac River, DC Water is preparing to return flow in the coming days to the Potomac Interceptor and meet the mid-March target to complete the emergency repair on the damaged pipe section.
- Crews have completed work to reinforce the pipe sections upstream and downstream of the collapse site using geopolymer to strengthen the pipe. The work ...
Work is nearly complete on the downstream section of the Potomac Interceptor to reinforce the pipeline with geopolymer. The concrete-like material will strengthen and restore the structural integrity of the pipe. Completion of the geopolymer lining downstream is one of the final steps to restore flow to the interceptor and finish the emergency repair.
This comes one month since the last overflow ...
