FYI
Nov 30, 1919, 12:00 AM
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Facts and fiction about the lake
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Several regular posters to this forum have stated that the lake will die in a few years. While it is true that there is a real problem with the lake, the causes are multiple and most of them are beyond the jusrisdiction of the State of Jalisco and its Administration. <p>The University of Guadalajara has recently released information on the amount of water pumped to the City of Guadalajara -it ads up to 6% of the overall loss of water from the lake and evaporation loss is 15%- but this 21% is almost completely recovered during the rainy season. The main cause is that the States of Mexico, Queretaro, Guanajuato and Michoacán are taking a higher volume of water from the Río Lerma-Santiago affluent than they did in years past. So the lake is not getting the amount of water it used to get in the past and, therefore, has been in a deficit for more than 15 years.<p>Other expressed concerns have been about the chemical composition of the lake-bed soil and the potentially toxic dust that would spread in the area with the wind. As you can see, the soil is very rich in nutrients and fertile, that's why vegetation and/or cultivation cover immediately the land as the lake shrinks. So, it is very unlikely that in the future, if the lake dies, there will be any toxic dust in the surroundings. The soil doesn't have the same chemical composition as the Aral Sea, which became a dry lake-bed with no vegetation replacing water.<p>
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