Underground Service Alert

Although they are not affiliated and are run by separate boards of directors, they share the common goal of safe digging.

USA North handles Northern and Central California as well as Nevada.

USA began operation in 1976 and incorporated as a mutual-benefit nonprofit corporation in 1986.

USA members include private companies and public agencies that have underground lines or facilities.

The USA members will either mark or stake their facility, provide information or give clearance to dig.