Environmental Studies and Forestry

Is volumetric pricing for drinking water an effective revenue strategy in rural Mali?

J. Wagner, J. Koehler, et al.

This research by Johannes Wagner, Johanna Koehler, Mikael Dupuis, and Rob Hope reveals that switching to monthly flat fees for water usage in rural Mali significantly boosts revenue and daily water use. The study highlights the need for sustainable service models amid operational cost challenges.

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Playback language: English

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Abstract

This study explores the implications of monthly flat fee contributions and volumetric (pay-as-you-fetch) payments for water use and revenue generation in rural Mali. Analyzing 4413 months of data across 177 handpumps, the research finds that switching from volumetric payments to monthly flat fees more than triples monthly revenue per waterpoint. While flat fees cover a larger share of operational costs, a subsidy gap remains. Flat fees also double daily water use, with a 1°C temperature increase linked to an extra 180 liters of daily water use per handpump. The study discusses the role of professional service delivery models in supporting reliable drinking water services.

Publisher

npj Clean Water

Published On

Jul 04, 2024

Authors

Johannes Wagner, Johanna Koehler, Mikael Dupuis, Rob Hope

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