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Revista mexicana de ciencias agrícolas

versão impressa ISSN 2007-0934


SANDOVAL ROMERO, Fermín et al. Economic valuation of drinking water in Iztapalapa, D. F. Rev. Mex. Cienc. Agríc [online]. 2016, vol.7, n.6, pp.1467-1475. ISSN 2007-0934.

The research addresses the problem of drinking water that exists in Iztapalapa from Mexico City. Iztapalapa delegation is the most populous and the one presenting most drinking water problems in Mexico City. The problems affect the entire delegation, especially highly marginalized areas such as those found in the foothills of the Sierra de Santa Catarina, San Juan and San Lorenzo Tezonco. The main problems are quality and scarcity. The contingent valuation method was used to estimate the willingness to pay (DAP) of residents by improving water quality. A survey was applied to 95 users. 42% of respondents had the perception that water pollution is high, 38% of pollution is regular and 12% said that water pollution is very high. Regarding water scarcity, 39% said that this is high, 42% that is regular and 12% which is very high. The estimated average of willingness to pay was $ 5.00 dolars per bimester, obtianing an approximate economic value of $ 13.25 million dollars per year for the payment of water. The variables that best explained the model were price, age, education and gender. Variables like marital status, family size, income, perceived water quality and water scarcity perceived were excluded as these did not have an explanation from the model for 95% of reliability.

Palavras-chave : contingent valuation; water quality; willingness to pay; water scarcity; use value.

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