DC Water reports that work is progressing to meet the mid-March target to return flow to the Potomac Interceptor following the catastrophic break and spill in January. The utility also reports more than 31 days have passed with no overflows reaching Washington, D.C.'s Potomac River.Geopolymer applied to the upstream and downstream sections of the pipe has cured, reinforcing the pipe and ensuring structural integrity, say officials. They noted that while the repaired pipe is ready for flow, additional work is necessary to seal the excavation sites. Read more about it here.Dispute Arises Over Cause of Omaha SinkholeA dramatic video showing
