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.

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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 necessary to seal the excavation sites. Crews are working around the clock to apply geopolymer to the trench boxes surrounding the open pipe sections, which will provide a waterproof seal to create ... Read More

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 included 320 linear feet of the upstream section, 300 linear feet of the downstream section, and drop sections where the elevation changes. Geopolymer, is strong like concrete but more resistant to sewer ... Read More