This territory includes Taipei city and the south of Keelung river and Taipei county, Hsintien city, Shenken Hsiang, Shihting Hsiang, and Pinglin Hsiang. Annual rainfall is about 1,800-3,000 mm, and average temperature is 20-30℃. And it belongs to sub-tropical climate. After 1950s, as the social economy grew rapidly, the past farmland become industrial, commercial and residential land. Following such kinds of change, the area for cultivation is reduced gradually resulting in city borne. This association also is changed to be urban type.
The main water resources of this Association are Hsintien stream of Tanshui river, and its main irrigation canals are Tapinglin canal, Kuanghsing canal, Wantan canal, and Tutan canal, that mainly gathered at the territory of Hsintien working station. While, the drainage canal is spread mainly in the territory of Shetze working station.
Irrigation pattern and cultivation way
This association adopts commom irrigation for double-cropped cultivation, and that is to let farmers themselves intake water for irrigation. In the period of winter, water does not supply, the maintenance on water facilities is carried out. Recent years, viewing the water resources is getting lack of, upland crops irrigation was promoted since 1989, and until 1999, the subsidy of operational cost has been reached to be $10,000,000.- to benefit the area about 30 Ha.