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Cañón del Sumidero, river Grijalva, in Chiapas. Mexico has a long and well-established tradition on water resources management (WRM) which started approximately in the 1930s when the country began investing heavily in water storage facilities and groundwater development to expand irrigation and supply water to the rapidly increasing population.
Source: WHO/UNICEF Joint Monitoring Program (JMP/2010). Data for water and Sanitation based on the WHO World Health Survey (2003) and the Census (2000).. Among the achievements is a significant increase in access to piped water supply in urban areas (96.4%) as well as in rural areas (69.4%) as of 2018. [8]
Though there is a national norm regulating pollution limits in untreated waste water, CONAGUA reported that the Valley of Mexico basin had 50% heavily contaminated, 25% contaminated, 20.8% acceptable, and only 4.2% excellent water quality based on Biochemical Oxygen Demand (BOD) levels sampled at selected sites.
A practical definition of water pollution is: "Water pollution is the addition of substances or energy forms that directly or indirectly alter the nature of the water body in such a manner that negatively affects its legitimate uses." [1]: 6 Water is typically referred to as polluted when it is impaired by anthropogenic contaminants.
Although there have been efforts for solutions, such as focusing on desalination plants and water transfers for the people in these regions that are in need of solutions for their water quality, these solutions have produced other complications such as tire and sedimentation flows into beaches in both Mexico and U.S., protected areas, and ...
Climate change and drying reservoirs are putting Mexico City in a water crisis. Here's how travel to the area is impacted.
Industries in U.S.-Mexico border towns often illegally dump or burn wastes, causing water and air pollution and other forms of environmental degradation along the border. [28] These industries are largely known as maquiladoras. The maquiladoras have been tested and were found to create air, soil and water pollution through their activities. [29]
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