Water treatment facilities in Ghana face challenges related to efficiency and sustainability. A quasi-experimental design was employed to assess water treatment systems' performance across different facilities. Data were collected from field observations and laboratory tests. Significant variations in efficiency were observed among the tested facilities, with one facility demonstrating a 20% improvement over baseline conditions. The quasi-experimental design proved effective in identifying areas for improvement in Ghana's water treatment systems. Future studies should consider implementing targeted interventions to maximise efficiency gains and ensure long-term sustainability of water treatment facilities. Quasi-Experimental Design, Water Treatment Systems, Efficiency Gains, Ghanaian Facilities The maintenance outcome was modelled as Y₈ₓ=₀+₁X₈ₓ+uᵢ+₈ₓ, with robustness checked using heteroskedasticity-consistent errors.
Agyei et al. (Mon,) studied this question.