Irrigation is a large multi-purpose irrigation works can bring the benefits of agriculture. CONSUMPTION Flood Mitigation The Industry The production of electricity from hydropower, transportation breeding freshwater fishing. Tourism and recreation each other in a construction project such as dams catchment. Dam or dams, irrigation, water pumping systems, water drainage systems, irrigation systems on farms. If the construction of the dam catchment. Can store water more than 100 million cubic meters. Or a reservoir area of 15 square kilometers. There are more than 80 000 hectares of irrigated area or as the Chao Phraya Dam. Nat Khun Dan Prakan Chon District. Nakhon Nayok.