Sector Overview Manages water retention structures, including levees, more than 77,000 conventional dams, navigation locks, canals (excluding channels), and similar structures, including larger and nationally symbolic dams that are major components of other critical infrastructures that provide electricity and water. For more information on the Dams Sector, contact Maureen O'Connell at moconnell@InfraGardlosangeles.org , or contact Cherie Kono at 310-619-8328 or CKono@InfraGardlosangeles.org