Water treatment

In order to ensure the water supplied in Macao is drinkable and complies with the European standards, the raw water is treated in 5 stages:

Treatment Plant in Macau

The Ilha Verde Treatment Plant of the Macao Water is a highly automated water treatment plant with a daily production capacity of 180,000 m3, employing advanced water treatment technology from the Degremont Company in French. All processes (raw water supply, chemical dosing, sedimentation, filtration, disinfection, water pumpage and transition) are controlled and monitored by computer, ensuring the compliance of water quality with the European standards.

The main elements of Ilha Verde's treatment plants are:

  • Raw Water Supply System
  • Settling Tanks
  • Filtration Tanks
  • Chemical Dosing Section
  • Chlorination Section
  • Treated Water Tanks
  • Pumping Stations

Water distribution

Water is crucial to Macao's economy and life.

Our company has developed a reliable and efficient water supply network that adequately supplies all inhabited and active areas of the territory.

The network is make up of raw water reservoirs, treatment plants, treated water reservoirs, large and small pipes with a diameter ranging from 1,600 mm for large arteries to 15 mm for service connections, valves, fire hydrants, meters, as well as other water supply facilities.

When you turn on your tap, the water that you see flowing has traveled a long way under our careful monitoring.

Laying down and maintaining the water supply network is therefore a very important role that our company plays in Macao's life.


pipes of the water supply network