- Application for Water Supply
- Change of Consumership and Refund of Deposit
- Electronic Services
- e-Bill Services
- Electronic Bill Presentment and Payment (EBPP) Service
- Water Bills
- Water and Sewage Charge Subsidy Scheme
- Water Quality
- Water Supply Faults
- Licensed Plumber (LP) and Authorized Person (AP)
- Plumbers' Licence
- Plumbing works associated with renovation of a flat/unit
- Action Plan for Enhancing Drinking Water Safety in Hong Kong
- Others