Three sewage treatment plants governed by Taipei City:
- Dihua Sewage Treatment Plant with the address of No. 235, Jiuquan St., Datong District, Taipei City, or the intersection of Sec. 4 Yanping N. Rd. and Jiuquan St. (Freeway: Exit Chongqing N. Rd. → Right turn at Jiuquan St.)
- Neihu Sewage Treatment Plant beside the Minquan Bridge No. 2, Sec. 2, Jiuzong Rd., Neihu District, Taipei City.
- Bali Sewage Treatment Plant governed by both Taipei City and the Taiwan Provincial Government and operated & managed by the Sewerage Systems Office temporarily; address: No. 90, Bowuguan Rd., Dingu Village, Bali Township, Taipei County.