NWSC treats its water to the quality which conforms to the WHO standards at the following treatment plants:
Bulangililo Water Plant
This plant was built in the early 50’s and abstracts water from the Kafue River. The plant produces an average of 75,000 m3 per day. The potable water is delivered to Riverside Distribution Centre, Chimwemwe Distribution Centre and Kwacha Distribution Centre for supply to the customers primarily in Kitwe North. 14,000 m3 of the water is exported to Kalulushi via Kwacha Distribution Centre. The company is currently undertaking a project to enable the production of water in Kalulushi a reality.
Kafue Water Plant
The Kafue plant is located near Nkana East township. With an abstraction point sited on the banks of the Kafue River, the water works produces an average of 60,000 m3 per day. The water produced is conveyed to 17th Avenue where it is post chlorinated. It is then delivered to Ndeke Distribution Centre, Wusakili Distribution Centre, Club Tanks and Mindolo Distribution Centre for delivery to the customers in Kitwe South
Mwambashi Water Plant
The Mwambashi plant is located on Mwambashi River from where it abstracts raw water. The plant produces and average of 1,800 m3 of water per day for supply to Garnerton.
Chambishi Water Plant
The Kafue River supplies the raw water required for production of potable water in the order of 5,000 m3 per day, on average. the water is supplied to Chambishi township.
The company collects foul water from the customer premises through its network of sewage pipes for treatment at its facilities as follows:
- Nkana East Sewage Plant
- Mindolo Sewage Ponds
- Ndeke Sewage Ponds
- Kalulushi Sewage Ponds
- Chambishi Sewage Ponds
Below is a depiction of the water treatment process