Contract covers the third phase of an upgrade and expansion project at the Regional Water Reclamation Facility in Lake Elsinore in Riverside County.

The U.S. and Mexico have formally enacted an agreement to invest $474 million across several projects geared toward reducing the amount of untreated sewage discharged into the Pacific Ocean near the border between San Diego and Tijuana.

But it will be weeks until funds are actually released to states.

Fixing our nation's aging water infrastructure will take effort from the private and public sectors as well as collaborative technology that helps designers and contractors tackle the challenges deferred maintenance causes.