• The irrigation water sources are all river-based.
• The operational area covers 14,318 hectares.

• Each local canal diverts water from Beinan River, Lijia River, Zhiben River, Taimali River, Luliao River, Mawu River, Jellyfish River etc. as a main water sources, and the rest divert water from small valley rivers and springs as supplementary water sources.
• Beinanshang Canal irrigation area uses water from Luye River, a tributary of Beinan River for irrigation.

The operational area of the office is located in the eastern part of Taiwan, starting from Dawu Township in the south, Changbin and Chishang Townships in the north, the Pacific Ocean in the east and the Central Mountains in the west, with the Coastal Mountains and Beinan Valley running through it. The administrative districts include Chishang, Haiduan, Guanshan, Luye, Yanping, Beinan, Taimali, Dawu, Taitung, Donghe, Chenggong and Changbin, totaling 12 townships, towns and cities, with an operational area of 14,318 hectares.

Artificial irrigation facilities are used to establish irrigation systems to improve agricultural production by maintaining timely, appropriate, legal and orderly irrigation methods and providing water based on water demand periods, different soils and the physical properties of crops.

1. Prepare contingency measures according to the different drought levels of various irrigation systems in the area.
2. Use groundwater pumps to extract groundwater for irrigation when the irrigation service is available.
3. Persuade farmers to convert fallow areas to other crops or announce a suspension of irrigation in water shortage areas
4. Strengthen water blocking facilities on the riverbed of each diversion river, or lay plastic sheets to prevent water leakage
5. During the drought relief period, staff will stop taking vacations, and all staff and irrigation working group leaders or unit leaders will carry out drought relief work.

Within the jurisdiction of the office, with the exception of the 7-17 Lateral Canals of Guanshan Canal which are a post-single cropping field and Taoyuan Canal, Luye Canal, and Beinanshang Canal which employ dry farming irrigation, the remaining canal areas are three cropping agricultural fields.