In order to meet the requirements of 2010environmental emergency response exercise and relatedenvironmental emergency management,we designed and developed an emergency management informationsystem based on service oriented architecture(SOA).The goal of the system is to support the structurizationof intelligent decision on water resource inventory and management based on expert knowledge.We proposeda new method integrating XML based data and model as the interface.The system was realized and performed during the 2010joint environmental emergency response exercise,which was organized by environmental protect ministry and Chongqing municipal government.