Plumbing Africa September 2017 | Page 21

Health and sanitation 19 Legionella control with point-of-use filtration By Environmental Protection Agency, document EPA 810-R-16-001 POU (point-of-use) filtration is defined as the use of a device applied to a single tap for the purpose of reducing contaminants in drinking water at that one tap. POU filtration can be used at specific taps, faucets, and shower heads as a temporary measure to provide a physical barrier against legionella. Hospitals have used this technology to try and reduce disease transmission. POU filtration may