- Compilation of budget and accounting including contract and expenses
- General affairs
- Application of water service work (new, modification, replacement)
- Adjustment of water and sewer bills and calculation of revenues
- Refund of overpaid bill
- Reduction for leaks in the building
- Work related to automatic payments
- Household division, changes of business, change of name and reduction for low income family
- Imposition and collection of water and sewer bills
- Delinquency disposition and other customer service
- Meter calibration
- Handling of leaks in the building and household division
- Installation of ground water meters
- Water service stop, abandonment of valves and meter calibration
- Inspection of large users
- Design and supervision of construction of integrated distribution and supply pipes
- Design and supervision of construction of water supply works
- Customer services regarding daily life
- Meter leaks, valve problems and water breakdown.
- Management of waterworks network
