PA SAK jolasid dam is located at ban Nong Bua district, Lopburi province estates development is the longest Earth Dam in Thai. The PA SAK River is the largest of 13 in 25 of the country's watershed is the watershed around Thai 14520 square kilometers ... There is a long tapered narrow basin characteristics. The upstream sources in Loei province. 513-kilometer long river flows through the province of phetchabun, LOP buri, saraburi, and meets the river Chao Phraya at Ayutthaya. The average water consumption is about 2400 million cubic meters per year.
His Majesty has a mixture of February 19-2532 (1989) when thanop, Royal irrigation Department study the suitability of water catchment dam project, the PA SAK River urgently to solve the water shortage problem so beneficial to the plantations and the problem of the disasters uthok equipment available.The PA SAK basin or a sequel to Bangkok and vicinity, which bring hot month, almost every year of rat. 2536 (1993) December 4 when his Majesty was a Royal Decree thanop remark h.m. commemorate birthday candle on the water resource development of the irrigation Department said if current operations since it can solve the problems of flooding. Drought and water shortages, with people. Construction of the dam would be built at the PA SAK River 2 and Nakhon nayok River, which the Council of Ministers approved the action. When this project 2537 (1994) May 3 spent 5 years building between 2537 (1994)-2542 (1999) and his Majesty deign to give it this name, which means "dam PA SAK jolasid dam" which means "the PA SAK River dam catchment effectively." PA SAK jolasid dam catchment has begun for the first time on June 15, 2541 (1998) King suda Rattana Thep of Siam in 1978 of the Kumari is deign of anchovies in the Royal projects. PA SAK jolasid dam look like clay clay core dam. Length approx. 4860 meters maximum catchment level + 43.00 meters above sea level. Quantity of 960 million cubic meters of water catchment and drainage building 3 is.