If GOP holds Senate, speculation centers on Capito of W. Va. as new chair; if Democrats take over, Delaware's Carper will be chair.

Chicago has around 400,000 homes with lead service lines. Although the city has made EPA's safe drinking water standard, the homes tested mostly belong to employees and retirees from the water management department and the voluntary replacement program is not funded beyond 2021.

House package has $494 billion for highways, transit and rail but also funds water, airports, energy and other sectors.

Trump asks Corps leader to stay on until Senate confirms his successor.