Kwahu-Tafo, Konongo & Kumawu (3K) Water Supply Systems

Project at a Glance:

Customer: Ghana Water Company (GWCL)
Project Value: $218M
Status: Phase I – completed in 2015
Phase II – expected to be completed in 2017
Segments: water resources management, water treatment
Main Benefit: supply of drinking water to over 500,000 people


TAHAL was hired by the Ghana Water Company to design, develop and construct a new water supply system in Kumawu, and to rehabilitate water supply systems in Konongo and Kwahu. The project was part of Ghana’s plan to improve access to potable water for over 500,000 residents in more than 50 residential areas.


At the initial stage of the end-to-end turnkey project, TAHAL conducted preliminary studies, conceptual design and detailed design for a new water supply system and for the rehabilitation of two existing water supply systems. For these three systems, TAHAL also carried out equipment procurement and construction/rehabilitation, including:

  1. Three water intakes
  2. One rehabilitated and two new water treatment plants (WTPs)
  3. Transmission mains and distribution networks
  4. Pump units and pumping stations
  5. Electrical systems, including two SCADA systems
  6. Earthworks, including trench work and excavations, landscaping, and access roads
    Offices and residential facilities
  7. Environmental impact management and health & safety management


  1. Water infrastructure development across 50 residential area
  2. Supply of 3.6 million gallons of drinking water
  3. Improved quality of life for over 500,000 residents


Ghana Water Company Ltd. (GWCL)