Water PNG Ltd provides over 40, 000 Kilolitres of treated water each day to residents of Daru town. Most of the water required to meet Daru township demand is drawn from the Binaturi River on the mainland and pumped to Daru Island through submarine pipes.

Water from the Binaturi River is then treated at the Daru water treatment plant.The treated water is pumped to two storage  tanks; one at the treatment plant and the other an elevated tank located at a hill next to the Daru Police station. This is then distributed to the residents on Daru Island.

Water is not supplied on a 24/7 basis but rather rationed to supply only 8 hours in one day. The Daru Water Treatment Plant (WTP) was commissioned in 1971. It contains a flush mixer and two pressure filters.

Water PNG Ltd provides over 2.6 million litres of treated water each day to residents of Kimbe town. Most of the water required to meet Kimbe township demand is drawn from Bores.Water from the Bores is then treated at the Kimbe water treatment plant.

The Kimbe Water Treatment Plant (WTP) was commissioned in 1987. It contains facilities for the chlorination of all water drawn from the Kimbe Town Bore Field.

Water PNG Ltd provides over 3.33 million litres of treated water each day to residents of Kokopo town. Most of the water required to meet Kokopo township demand is drawn from exclusively underground aquifiers through 7 bore wells around the Vunabosco bore field.  Water from the 7 bore wells at Vunabosco is then treated at the Vunabosco water treatment plant.

The Vunabosco Water Treatment Plant (WTP) was commissioned in 2000. It contains facilities for the collection , chlorination, and distribution of all water drawn from the Vunabosco bore field.

The system is only plain chlorination, which in future will be post chlorination as well.  

Water PNG Ltd over 1.2 million litres of treated water each day to residents of Kundiawa town. Most of the water required to meet Kundiawa township demand is drawn from the Monguma River. Water from the Monguma River catchment is then treated at the Kundiawa water treatment plant.

The Kundiawa Water Treatment Plant (WTP) was commissioned in 1987. It contains facilities for chlorination only as the water is drawn from spring.

Currently the Kundiawa system is not supplying water 24/7 due to;

 1. Abundant intake of the Urr Spring due to compensation claims from landowners

 2. Alternate Water Source from Monguma is not sufficient to meet demand thus water supply is rationed. Water is supplied 9 hours per day.

Water PNG Ltd provides over 30 million litres of treated water each day to residents of Lae City and surrounding areas.

Water required to meet Lae City's demand is drawn from the seven (7) Bores located at Taraka (along the perimeter boundary of the PNG University of Technology). 

Water drawn from these Bores is then treated at the Taraka Water Treatment Plant and distributed via two (2) main trunk systems, the High Pressure and Low Pressure Systems.

The Taraka Water Treatment Plant (WTP) was commissioned in April 1982. It contains facilities for the chlorination, storage and transfer of all water drawn from the Taraka Bore system.

Water PNG Ltd provides over 0.8 million litres of treated water each day to residents of Lorengau town.Most of the water required to meet Lorengau township demand is drawn from the Lorengau River. Water from the Lorengau River is then treated at Gaten Tingou water treatment plant

The Gaten Tingou Water Treatment Plant (WTP) was commissioned in 2002. It contained facilities for the chlorination, filteration and storage of all water drawn from the Lorengau River system.

Water PNG Ltd provides over 10 million litres of treated water each day to residents of Madang town. Most of the water required to meet Madang township demand is drawn from the Gum River. Water from the Gum River is then treated at Panim water treatment plant.

The Panim Water Treatment Plant (WTP) was commissioned in 2000. It contained facilities for the pre-chlorination, flocculation, sedimentation, filtration and post chlorination of all water drawn from the Gum River system.

Water PNG Ltd provides over 0.6 million litres of treated water each day to residents of Mt Hagen town. Most of the water required to meet Mt Hagen township demand is drawn from the Kum River. Water from the Kum River is then treated at Rabiamul full water treatment plant.

The Rabiamul full Water Treatment Plant (WTP) was commissioned in 1982. It contains facilities for the pre-chlorination, coagulants (through flush Mixture), coagulation/flocculation, sedimentation, filtration and post chlorination of all water drawn from the Kum River system.

Water PNG Ltd provides over 2.1 million litres of treated water each day to residents of Popondetta town. Most of the water required to meet Popondetta township demand is drawn from the Bangoho River. Water from the Bangoho River is then treated at the Popondetta water treatment plant.

The Popondetta Water Treatment Plant (WTP) was commissioned in 1987. It contains facilities for the chlorination, correcting turbidity and PH Levels of all water drawn from the Bangoho River system.

Water PNG Ltd provides over 2.06 million litres of treated water each day to the residents of Rabaul and  Nonga town. Most of the water required to meet Rabaul and Nonga township demand is drawn from exclusively Shallow underground water through 2 bore wells; Rabaul  Wisdom bore well and Nonga bore well. Water from both sources is then treated at Wisdom treatment plant and Nonga treatment plant respectively.

The Rabaul and Nonga Water Treatment Plants (WTP) were commissioned in  1988 and 1998 respectively. Both contain facilities for the collection, chlorination and distribution of all water drawn from the Rabaul and Nonga bore fields which are shallow water wells.

The systems are only plain chlorination, which in future will be post chlorination as well.  

Water PNG Ltd provides over 7 million litres of treated water each day to residents of Wabag town. Most of the water required to meet Wabag township demand is drawn from the Pakip River. Water from the Pakip River is then treated at the Sangurap water treatment plant.

The Sangurap Water Treatment Plant (WTP) was commissioned in 2009. It contained facilities for the chlorination of all water drawn from the Pakip River system.

Water PNG Ltd provides over 18.2 million litres of treated water each day to residents of Kavieng town. Most of the water required to meet Kavieng township demand is drawn from the Vual Treatment Plant Bores (5 x bores).

Water from these 5 bores is then treated at the Vual water treatment plant. The Vual Water Treatment Plant (WTP) was commissioned in the 1960s. It contains facilities for chlorination only.

Water PNG Ltd provides over 7 million litres of treated water each day to residents of Wewak town. Most of the water required to meet Wewak township demand is drawn from the  Brandi River. Water from the Brandi River is then treated at the Brandi water treatment plant

The Brandi Water Treatment Plant (WTP) was commissioned in the 1970's. It contains facilities for cleaning, filtration and chlorination systems required for human consumption.

The treated water is pumped into a reticulation system that services 4 reservoir tanks and a pipeline system feeding over 3,000 listed customers in Wewak town.