A barrier sill, built under emergency conditions, has stopped a wedge of salt traveling up the river perilously close to drinking water intakes. 

Contractors have launched five of the 10 tunnel boring machines set to dig 64 miles of tunnels for the $46.5-billion project.

 Alaska wins the most funds, while California gets the most grants.

Michigan Solicitor General's Flint prosecution team is appealing a judge's decision to dismiss criminal charges against state officials accused of neglect leading to the Flint water crisis.