Household water treatment and safe storage – effectiveness and economics

November 9, 2015 · 0 comments

Household water treatment and safe storage – effectiveness and economics. Drink. Water Eng. Sci. Discuss., 8, 143–176, 2015.

Authors: S. M. L. Stubbé, A. Pelgrim-Adams, G. L. Szanto, and D. van Halem.

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, costs and cost drivers 5 of three selected HWTS systems were identified. The selected systems are SODIS, ceramic filter and biosand filter.

These options were selected based on their current usage rate, available scientific data, and future potential. 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.

The reported costs of HWTS systems show a wide range as well. The price per cubic 15 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.

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