A mysterious failure of the water system in Marlin, Texas, prompted Gov. Greg Abbott to declare an emergency, opening additional support for the city of 5,500 people.

Samuel Alva, a technical adviser with the Cybersecurity and Infrastructure Security Agency, says aiding thousands of water utilities is a "daunting" task.

Residents can track water usage hourly with help from a new website.

State Sen. Jeffrey Klein is hoping to get his state thinking about the threat of cyberattacks for pieces of critical infrastructure.