1. To apply for a new water connection, you will need to go to any branch or office of TWC.
2. Submit a completed application together with all required documents. Note: See list below.
3. After submission, your application will be reviewed and pressure test will be conducted.
4. Applicants will be issued a payment notice.

• Completed Application form (with certificate of membership in Water Pipe Engineering Industries) .
• Seal of the applicant.
• Architectural hydro-appliance design for applied installation (drawn by architects or professional technicians; design for buildings of 5 stories or less, exempt from architects supervision, can be drawn by A-ranking plumbing contractors.
• Additional documents:
  • For buildings constructed after Dec.22, 1971, you will need to prepare these following documents:
    Builiding use license or title deed to the house?
    Building completion certificate Building certificate in districts that do not issue building permits
    Letter of consent for water pipe connection in old legal house written up by local municipal, county governments or township offices.
  • For buildings constructed before Dec.22, 1971, prepare any of the documents below:
    registered before that date: Certificate transcript of the house
    construction license or building registered certificate Immigration registration in household
    Tax payment certificate
    Utility bill payment receipt or certificate.
  • An authorization letter from the owner or supervisor should be obtained in advance by the applicant in case the external line must go through others properties, houses or be connected to others water pipes.

Taiwan Water Corporation

Head Office
04-22221122
Taichung POBOX NO.26-28
hqiail@mail.water.gov.tw

1st Branch
02-24264990
Keelung POBOX No.83
z1ia@mail.water.gov.tw

2nd Branch
03-4643281
Chungli POBOX No.269
z2ia@mail.water.gov.tw

3rd Branch
03-5710063
Hsinchu POBOX No.214
z3ia@mail.water.gov.tw

4th Branch
04-22264756
Taichung POBOX No.26-57
z4ia@mail.water.gov.tw

5th Branch
05-2270514
Chiayi POBOX No.329
z5ia@mail.water.gov.tw

6th Branch
06-2142981
Tainan POBOX No.15-21
z6ia@mail.water.gov.tw

7th Branch
07-7316858
Fengshan POBOX No.14-41
z7ia@mail.water.gov.tw

8th Branch
03-9229595
Yilan POBOX No.39
z8ia@mail.water.gov.tw

9th Branch
03-8328472
Hualien POBOX No.19-59
z9ia@mail.water.gov.tw

10th Branch
089-325402
Taitung POBOX No.59
psc123@mail.water.gov.tw

11th Branch
04-7242054
Changhua POBOX No.23-636
zbia@mail.water.gov.tw

12th Branch
02-29968968
Xinzhuang POBOX No.394
zcia@mail.water.gov.tw

Northern Region Engineering office
02-29258023
Yong-ho POBOX No.2-30
znlia@mail.water.gov.tw

Central Region Engineering office
04-22447505
Taichung POBOX No.41-30
zclia@mail.water.gov.tw

Southern Region Engineering office
07-3325110
Kaohsiung POBOX No.36-117
zslia@mail.water.gov.t

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Taiwan Water Corporation

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