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DC Water Advances Work to Repair Damaged Section of Potomac Interceptor
Emergency repair expected to take 4-6 weeks, followed by long-term rehabilitation
DC Water crews and its contractors, working under challenging conditions over the past month, are nearing completion of an enhanced bypass system that will allow emergency repairs to begin on a damaged section of the Potomac Interceptor.
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WHAT'S NEW
Update: Potomac Interceptor Repairs, February 15
Potomac Interceptor Repairs Update
February 15, 2026
No overflow events impacting surface waters have been reported in the past 24 hours. The four high-capacity bypass pumps installed this week are now fully primed and operational, increasing overall system capacity and reliability. In addition, the third flume at the downstream end of the canal near Lock 10 is now active and conveying wastewater back into the Potomac Interceptor, joining the two original flumes already in service. These measures are helping improve flow management and provide additional operational redundancy. Three additional ... Read More
WHAT'S NEW
UPDATE: Potomac Interceptor Repairs, February 14
Crews have completed construction of the two new access pits to support full installation of the enhanced bypass pumping system. Three high-capacity bypass pumps have been installed and are operational, with a fourth pump expected to be activated later tonight or early Sunday ahead of the forecasted weather to help manage anticipated higher flows associated with rainfall and snowmelt.
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dc.water
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Crews are nearing completion of the enhanced bypass system at the Potomac Interceptor, a major milestone that will allow emergency repairs to begin soon. ✔ Emergency repair timeline is estimated at 4 to 6 weeks ✔ Bypass system is nearly complete so crews can begin work inside the damaged pipe ✔ Additional high-capacity pumps are now online to increase reliability ✔ No overflow events were reported in the last 24 hours The next step is to install the steel bulkhead gate later this week, which will allow crews to isolate the damaged section and continue work. Learn more: https://www.dcwater.com/about-dc-water/media/news/dc-water-advances-work-repair-damaged-section-potomac-interceptor
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