Decision Support System for Drinking Water Safety in Rural Area in Ya´an of China

In consideration of the drinking water safety in rural areas in the western mountainous regions of Sichuan Province, the author adopts the module technique to integrate the GIS with the specialized application function to develop a drinking water safety spatial analysis system. The system provides the Ya´an´s seven counties with each kind of function the daily management of drinking water safety need, such as the spatial data, sketch picture and the information collecting, storing, saving, managing, analyzing, evaluating, converting, inspecting, outputting and renewing, etc; the system still can carry on information inquiry, analysis and decision functions on the wanted area, and provides technical measures of river protection of the area. The system can be used for the protection of water resource, provides the management section of technical personnel with the foundation platform of the daily data processing as well as the government officials the assistance decision tool. It has the instructional significance to solve the problem of rural water supply and reasonable development of Dadu River, Qingyi River basin water resources, and the protection and instaurations of the ecosystem. Compared with the same kind of methods are found, the paper had the outstanding results in the study on drinking water safety in rural areas.