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2015 URBAN WATER MANAGEMENT PLAN <br />catastrophic occurrences within the southern California region, including seismic events along the San <br />Andreas Fault. In addition, Metropolitan is working with the state to implement a comprehensive <br />improvement plan to address catastrophic occurrences outside of the southern California region, such as <br />a maximum probable seismic event in the Delta that would cause levee failure and disruption of SWP <br />deliveries. For greater detail on Metropolitan's planned responses to catastrophic interruption, please <br />refer to Metropolitan's 2015 UWMP. <br />5.4.2 Water Emergency Response of Orange County <br />In 1983, the Orange County water community identified a need to develop a plan on how agencies would <br />respond effectively to disasters impacting the regional water distribution system. The collective efforts of <br />these agencies resulted in the formation of the Water Emergency Response Organization of Orange <br />County ( WEROC) to coordinate emergency response on behalf of all Orange County water and <br />wastewater agencies, develop an emergency plan to respond to disasters, and conduct disaster training <br />exercises for the Orange County water community. WEROC was established with the creation of an <br />indemnification agreement between its member agencies to protect each other against civil liabilities and <br />to facilitate the exchange of resources. WEROC is unique in its ability to provide a single point of contact <br />for representation of all water and wastewater utilities in Orange County during a disaster. This <br />representation is to the county, state, and federal disaster coordination agencies. Within the Orange <br />County Operational Area, WEROC is the recognized contact for emergency response for the water <br />community, including the City. <br />5.4.3 City of Santa Ana <br />The Water Utility's Emergency Response Plan (ERP) identifies the immediate actions that the City will <br />take to respond, in coordination with the City's Emergency Response Plan, to a declared water shortage. <br />The City will work in close cooperation with Metropolitan and the Metropolitan Area Radio System <br />(MARS) Network, an organization of water utilities within the service area of Metropolitan to immediately <br />contact its customer agencies during an emergency about potential interruption of services. MARS is an <br />emergency communications system to facilitate the flow of information, control, and exchange of <br />materials and mutual aid within Metropolitan's service area. Metropolitan and its member agencies <br />formed MARS to improve emergency' response, provide alternate means of communication in <br />emergencies, and expedite mutual aid. In the case that the Metropolitan Emergency Operations Center <br />(MEOC) is activated, the MEOC will direct all coordination with member agencies. <br />The Water Utility's ERP describes the organizational and operational policies and procedures required to <br />meet the needs of sufficient water for firefighting operations and safe drinking water and provide a system <br />for organizing and prioritizing water repairs. It also cites authorities and specifies the public and private <br />organizations responsible for providing water service. <br />The Water Utility will operate under normal operating procedures until a situation is beyond its control. <br />This includes implementation of any allocation plan passed on by Metropolitan, and water shortage <br />contingency plans of OCWD. <br />If the situation is the Water Utility's control, the Water Operations Center (WOC) may be activated to <br />better manage the situation. If the situation warrants, the City Emergency Operations Center (EOC) may <br />arcadls.cam 75E-67 <br />5 -6 <br />