His Majesty the King's construction Khun Dan Prakranchon dam. Location on Ban Thadan, Hentung Sub-district, Muang District, Nakornnayok. Which is part of the Nakhonnayok River basin development project to help the people. The way lower with water use in agriculture Help alleviate flooding that occurred in Nakhonnayok province district every year to the industry and to correct the areas of soil, water, as a result, the population has a sour soil problems, reduce damage from flooding, has 35 percent