The supply of clean drinkable water owing to water scarcity and the contamination of water bodies is the next big threat to the South African public, says energy, pumping and filtration technologies and projects group EPF Systems director Cobus Raubenheimer. With no substitution for the supply of water and millions of people potentially facing a lack of access to clean drinking water, the imminent water crisis is a greater threat than the energy crisis currently being faced by South Africa.