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Evaluating the water quality of Brazilian distribution companies by the grey-TOPSIS method

Author

Listed:
  • Gomes da Silva Farias, Pamella
  • Mendonça Silva, Maisa
  • de Tarso Marques Bezerra, Saulo

Abstract

This article proposes the use of water quality indicators to evaluate water distribution companies employing a multicriteria analysis that encompasses the Grey theory and the TOPSIS method. The main benefit of the framework is the generation of a final comparative ranking, which may assist managers, regulatory agencies, investors, users, society, and providers themselves in visualizing the quality performance of the companies analyzed. The results of applying the proposed framework to Brazilian companies proved robust after a two-step sensitivity analysis, which involved varying weights and excluding criteria.

Suggested Citation

  • Gomes da Silva Farias, Pamella & Mendonça Silva, Maisa & de Tarso Marques Bezerra, Saulo, 2025. "Evaluating the water quality of Brazilian distribution companies by the grey-TOPSIS method," Utilities Policy, Elsevier, vol. 97(C).
    • Handle: RePEc:eee:juipol:v:97:y:2025:i:c:s0957178725001729
    DOI: 10.1016/j.jup.2025.102057
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    References listed on IDEAS

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