History of the Kew Lom dam . In 1968, the Royal Irrigation Department has developed the Wang River by constructing a dam project, water distribution system and various buildings are completed in 1968. Dam characteristics is reinforced concrete, Gravity Dam type. The dam is 26.5 meters high, with a width of 5.35 meters and a length of 135 meters. Maximum water holding capacity is 112 million cubic meters and the lowest is 6 million cubic meters. Can provide water for agricultural areas in the district and some parts of Koh Ka district, Mae Tha district and Hang Chat district. It covers an area of 240,000 rai and supplies water for tap water production in Lampang Municipality. Kiew Lom Dam is located in Ban Lang. 38 km from the city along the route Lampang - Ngao separated by the left at Km 623 - 624, turn left into another 14 km. Kiew Lom dam is located in the area of Tham Pha Tai. It is under the supervision of the Royal Irrigation Department. The area above the dam is a reservoir suitable for cruising or rafting. Because of the beautiful scenery. Rafting takes at least half a day. There are places of interest such as Chao Khuen cape, Pha Giang, Pha Ngarm, Sop Pu Lake, BanSa fishing village, etc. Contact the rafting service at the dam site.