Articles | Volume 9, issue 1
Drink. Water Eng. Sci., 9, 9–18, 2016
https://doi.org/10.5194/dwes-9-9-2016
Drink. Water Eng. Sci., 9, 9–18, 2016
https://doi.org/10.5194/dwes-9-9-2016

Review article 14 Apr 2016

Review article | 14 Apr 2016

Household water treatment and safe storage – effectiveness and economics

Stefanie M. L. Stubbé1, Alida Pelgrim-Adams2, Gabor L. Szántó2, and Doris van Halem1 Stefanie M. L. Stubbé et al.
  • 1TU Delft, Civil Engineering, Sanitary Department Stevinweg 1 (Building 23), 2628 CN Delft, the Netherlands
  • 2PRACTICA Foundation, Geulwg 16, 3356 LB, Papendrecht, the Netherlands

Abstract. Household Water Treatment and safe Storage (HWTS) systems aim to provide safe drinking water in an affordable manner to users where safe piped water supply is either not feasible or not reliable. In this study the effectiveness, economic parameters and costs of three selected HWTS systems were identified. The selected systems are SODIS, ceramic filter and biosand filter. These options were selected based on their accessibility, affordability and available scientific data. Data was obtained through peer-reviewed literature, reports, web-pages and informal sources. The findings show a wide dispersion for log removal of effectiveness of the HWTS systems. For bacteria (E. coli), log removals of 1–9 (SODIS), 0.5–7.2 (ceramic) and 0–3 (biosand) were reported. In the case of viruses (mostly echovirus and bacteriophages), log removals of 0–4.3 (SODIS), 0.09–2.4 (ceramic) and 0–7 (biosand) were found. The dispersions of log removals for both bacteria and viruses range from non-protective to highly protective according to WHO performance targets. The reported costs of HWTS systems show a wide range as well. The price per cubic meter water is found to be EUR 0–8 (SODIS), EUR 0.37–6.4 (ceramic) and EUR 0.08–12.3 (biosand). The retail prices found are: negligible (SODIS), USD 1.9–30 (ceramic) and USD 7–100 (biosand). No relationship was observed between removal efficiency and economics of the three systems.

Download
Short summary
Household Water Treatment and safe Storage (HWTS) systems aim to provide safe drinking water in an affordable manner. The effectiveness of these systems to remove pathogens is crucial for the health of its users. Different researches report wide ranges of effectiveness for each of the three selected systems: SODIS, ceramic and biosand filters. The resources available for the prices of HWTS also report wide ranges. In the data available no relation was observed between price and effectiveness.