Dam is the largest dam Construction on the development of Nan basin, originally named cliff dam repair earned the ราชาน's cousin to summon the title.Dam on 24 may 2511 construction up to block the river at the area of he cliff repair District Amphoe tha PLA, cliff blood. Uttaradit province. To the East about 58 km
.History of the Nan River
.The Nan River is a river branch of the Chao Phraya River, an important call originated from DOI Phu wae in Kampot, Luang Prabang, which is the border with the country border public democratic republic. Laos people in the jurisdiction of Mai's Taiwan shop.It flows through the region seven at the moment is the River District of consecutive until Nan Province, but it is a narrow flat Then the river will flow through the valley in area of Na noi District of Nan.Uttaradit province and flows south through the Uttaradit, Phitsanulok, Phichit, to coincide with the river Yom, District, Nakhon Sawan Province, chum Saeng District Flow, combined with the Ping River District's largest tributaries athome.615 kilometers which is the longest among the tributaries upstream the river together, and have ลุ่มน้ำถึง, 33 area130 square kilometers Plains along both sides of the river, since province queer ดตถ์ exposed 1 800 service,,000 RAI in Phitsanulok irrigation area The plains is an important one in the country. And suitable for agriculture strongly. The song was often flooded in, because there is no water control system, the government is planning to develop.3 phases
.Phase 1 construction dam up to retain water in the sink for the benefit of irrigation and power generation
.Phase 2 construction Naresuan dam up at Hat Yai, Phrom phiram District, Phitsanulok province. A diversion dam and irrigation system for construction area of two side ในอภ Phrom phiram District, Amphoe Mueang, bang rakam district and kanchanadit district.With Sam Ngam district and Phimai District province. A total area of about, 678000 farm project phase 2, began construction on the basic 2512 completed year 2527
.Phase 3 Uttaradit dam construction at PHA stopper, Uttaradit province. And to irrigate irrigation system for area two side of Uttaradit District, Amphoe kumphawapi district and Pichai Uttaradit province and Phrom phiram district.District, Wang thong District, and bang krathum District, Phitsanulok province. The total area is about, 873000 farm project phase 3. Not implemented, development plan the Nan River Basin. A plan to bring the water utilization. It was planned to กันทั active involvement as the basin is from the beginning until the water downstream.It was planned to connected across the basin is from the upstream to the downstream system. How to store and utilize fully. It was planned to connected across the basin is from the beginning to the downstream. How store.Including the stages of development. To suit local conditions periodically to by most of the Plains area along both sides of the river, often flooded the regular development, must build storage dam thick before the dam ทดน้.
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