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The effect of water filtration on cholera mortality

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  • Knutsson, Daniel

Abstract

This paper examines how water filtration and distribution helped reduce mortality during a cholera outbreak. Using household water contract records and individual mortality data, I analyze the impact of filtered water with an event study approach. The results show that having access to filtered water at home greatly reduced the risk of death. This suggests that water filtration and distribution were key public health measures in lowering mortality from waterborne diseases in the 19th and early 20th centuries. Improvements in urban water systems could have played a major role in the decline of cholera outbreaks and mortality during this period.

Suggested Citation

  • Knutsson, Daniel, 2025. "The effect of water filtration on cholera mortality," Journal of Urban Economics, Elsevier, vol. 147(C).
    • Handle: RePEc:eee:juecon:v:147:y:2025:i:c:s0094119025000178
    DOI: 10.1016/j.jue.2025.103752
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    More about this item

    Keywords

    Water; Piped water; Filtered water; Cholera; Mortality; Public health;
    All these keywords.

    JEL classification:

    • I11 - Health, Education, and Welfare - - Health - - - Analysis of Health Care Markets
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
    • N3 - Economic History - - Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion, and Philanthropy
    • H51 - Public Economics - - National Government Expenditures and Related Policies - - - Government Expenditures and Health

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