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espanolLa calidad y la disponibilidad de agua de los rios en Mexico son cruciales para el desarrollo regional y nacional, pero tienen problemas graves; en 2006, 74 por ciento de las aguas superficiales tenia grados diferentes de contaminacion. El objetivo de esta investigacion es identificar la influencia de algunas variables socioeconomicas en la calidad del agua superficial en las regiones hidrologicas administrativas, y proponer acciones para mejorarla. Segun el analisis econometrico, la actividad economica y la densidad poblacional perjudican la calidad del agua superficial en dichas regiones. Es poco el efecto del aumento de las plantas de tratamiento de agua en cuanto a la contaminacion; el incremento en el caudal tratado es contraproducente para la calidad del agua. Estos elementos presentan aspectos importantes para ser abordados por las politicas publicas. EnglishThe quality and availability of water in Mexican rivers is critical for regional and national development, but they pose serious problems. In 2006, 74 percent of the surface water in Mexico had different levels of pollution. The objective of this research is to identify the influence of socioeconomic variables in surface water quality on each of the hydrological-administrative regions (HARs) and to propose actions in order to improve its quality. After an econometric analysis, results show that surface water quality in the different HARs is affected by economic activity and population density. On the other hand, the increase of water treatment plants has little impact on reducing water pollution and the increase of treated water shows a counterproductive effect on water quality. All of these aspects should be considered when designing public policy.

Determinantes socioeconómicos de la calidad del agua superficial en México