- 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 ...
- 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 ...
As emergency repairs continue, today marks 27 days, nearly one month, with no overflow reaching the Potomac River.
Crews are making significant progress to reinforce the downstream section of pipe from the collapse site and completed 240 linear feet of geopolymer overnight. Crews are working to apply another layer of geopolymer today. The material is similar in strength to concrete and when ...
Reinforcement of the upstream section of the Potomac Interceptor has been completed, marking the halfway point in emergency repairs following the January 19 sewer line collapse. Crews continue to advance repairs on schedule, with full project completion expected by mid-March.
DC Water today is releasing a comprehensive assessment detailing the condition of the Potomac Interceptor and our emergency response to the January 19 sanitary sewer line failure. This report provides clarity for customers, stakeholders, and community members about the steps taken and findings from the incident, including prior inspections of the pipe’s condition.
After the collapse, DC Water’s ...
DC Water and its contractor have taken significant steps toward repairing the Potomac Interceptor. The repair process currently underway involves reinforcing the damaged section of the pipe using geopolymer. This material is known for its concrete-like strength and durability.
