Being a beautiful tourist attraction is the by-product of the construction of this dam. In fact Pasak Jolasid Dam was built under the initiative of His Majesty the King who felt pity for the troubles of people who suffered every year from drought and floods. The king graciously granted this initiative on February 19, 1989 and had assigned the Royal Irrigation Department to urgently study the suitability of the Pasak River Basin Royal Development Project in order to solve the problem of regular drought and floods in Pasak Basin which also have continuous effect on Bangkok Metropolitan Region. On the occasion of H.M.
the King’s Birthday on December,4,1993,the
King had said that insufficient water supply problem in Bangkok will be eradicated by the 2 reservoir projects at Pasak River and Nakhonnayok River which will collect enough water for consumption and use in Bangkok Metropolitan Region. The king presided the royal grand opening of the dam on November 25, 1999 together with the queen and the HRH Princess Maha Chakri Sirindhorn .