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DC Water shifts Potomac River testing to twice weekly as bacteria levels normalize - WUSA9WUSA9 · Sat, 08 Aug 2026 01:18:00 GMTPotomac River Testing Reduced as Bacteria Levels Return to Normal - The MoCo Show -The MoCo Show - · Fri, 07 Aug 2026 21:33:53 GMTTRAFFIC ADVISORY: Rock Creek & Potomac Parkway NW Lane Closure Beginning August 7, 2026 - DC WaterDC Water · Wed, 05 Aug 2026 12:09:05 GMTDC Water Finishes First Potomac Interceptor Repair - HillRagHillRag · Sat, 01 Aug 2026 00:54:46 GMTFirst of four repairs completed on Potomac Interceptor sewer line near Dulles International Airport - WUSA9WUSA9 · Thu, 30 Jul 2026 20:58:00 GMTDC Water finishes first emergency sewer repair at Dulles airport - WJLAWJLA · Thu, 30 Jul 2026 20:35:17 GMTCritical Repairs Complete on Potomac Interceptor Sewer Line at Dulles - DC WaterDC Water · Thu, 30 Jul 2026 18:31:46 GMTDC Water Completes First Major Step in Potomac Interceptor Sewer Line Repairs at Pennyfield Lock - DC WaterDC Water · Mon, 27 Jul 2026 07:00:00 GMT