| First River Management Branch | Yilan City
River(s)：Lanyang and Heping Rivers
Coast(s)：Yilan County ,part of New Taipei city and Matsu coasts
|
| Second River Management Branch | Hsinchu City
River(s)：Fengshan, Touqian, Zhonggang, and Houlong Rivers
Coast(s)：Taoyuan County, Hsinchu City and Hsinchu County, and part of Miaoli County coasts
|
| Third River Management Branch | Taichung City
River(s)：Daan, Dajia, and Wu Rivers
Coast(s)：Part of Miaoli County and Taichung City coasts
|
| Fourth River Management Branch | Changhua County
River(s)：Zhuoshui River
Coast(s)：Changhua County coast
|
| Fifth River Management Branch | Chiayi City
River(s)：Beigang, Pozi, Bazhang, and Jishui Rivers
Coast(s)：Yunlin County,Chiayi County and part of Tainan City coasts
|
| Sixth River Management Branch | Kaohsiung City
River(s)：Zengwen, Yanshui, Erren, and Agongdian Rivers
Coast(s)：Part of Tainan City, Kaohsiung City coasts
|
| Seventh River Management Branch | Pingtung City
River(s)：Gaoping, Donggang, and Sizhong
Rivers Coast(s)：Pingtung County and Penghu County coasts
|
| Eighth River Management Branch | Taitung County
River(s)：Beinan River
Coast(s)：Taitung County ,Kinmen County ,Lienchiang County coasts
|
| Ninth River Management Branch | Hualien County
River(s)：Xiuguluan and Hualian Rivers
Coast(s)：Hualien County coast
|
| Tenth River Management Branch | New Taipei City
River(s)：Tamsui and Huang Rivers
Coast(s)：Part of New Taipei City and Keelung City coast
|
| Northern Region Water Resources Branch | Taoyuan County
Jurisdiction：From the northern border of Hsinchu County up to Yilan and Hualien Counties in the east
Major Reservoirs, Dams, and Weirs：Shihmen, Xinshan, Baoshan, Second Baoshan,Dapu Reservoirs, and Longen Weir
|
| Central Region Water Resources Branch | Taichung City
Jurisdiction：From the southern border of Miaoli County up to northern border of Yunlin County
Major Reservoirs, Dams, and Weirs：Yunghoshan , Mingde, Guguan, Deji, Liyutan, Wushe, Sun Moon Lake, Minghu, Mingtan Reservoirs, Shihgang Dam, and Jiji Weir
|
| Southern Region Water Resources Branch | Tainan City, Kaohsiung City
Jurisdiction：From southern border of Chiayi County down to Pingtung and Taitung Counties in the east, and Penghu County
Major Reservoirs, Dams, and Weirs：Renytan, Lantan, Baihe, Jienshanpei, Nanhua, Wushantou, Zengwen, Mudan, Agongdian, and Fengshan Reservoirs, Gaoping River Weir, and Jiaxian Weir
|
| Taipei Water Management Branch | New Taipei City
Jurisdiction：Chingtan water source, quality and quantity reservation area of the Hsintien River
Major Reservoirs, Dams, and Weirs：Feicui Reservoir
|
| Water Resources Planning Branch | Taichung City Jurisdiction：Investigation, planning,research and analysis of water resources engineering projects
|