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    CFE, which discharges the most wastewater into rivers in Puebla


    August 8, 2022 - CE Noticias Financieras

     

      The Federal Electricity Commission (CFE), through its geothermal plant Los Humeros, located in the municipality of Chignautla, is the organization that discharges the largest amount of recycled water in the state, with about 7 thousand cubic meters per day, according to the National Water Commission (Conagua).

      According to the Public Registry of Water Rights (Repda), this space focused on the production of electric energy based on hot water, steam, springs, as well as tiny volcanoes that are part of the country's seismic system, is allowed to discharge approximately 2 million 549 thousand 890 cubic meters of treated water per year.

      Read also: In the middle of vacation, tourists in Acapulco stroll among sewage waters

      This license was granted since 2014 and is valid for three decades. At the state level, in the last six years 114 permits have been entered, representing the generation of 18 million 224 thousand cubic meters of wastewater in tributaries owned by the nation, each year.

      All discharges must comply with Mexican Official Standard NOM-001-SEMARNAT-2021, which establishes the types and maximum permissible limits for the emission of pollutants into national waters. For example, in the case of metals and cyanides, the daily figure is a maximum of 15 milligrams per liter.

      Los Humeros began operating in 1970

      A little more than half a century ago, exploration began in Puebla at Los Humeros, which is considered an active volcanic area in the country, according to the National Civil Protection Coordination and the National Center for Disaster Prevention (Cenapred).

      In 1970, eight turbogenerator units were installed, with the capacity to generate 40 megawatts, which can serve to supply energy to a little more than 13,000 homes for up to one hour.

      Its last government intervention occurred in 2014. At that time, the administration of former President Enrique Peña Nieto announced the investment of close to 16 million pesos, which would be disbursed in several phases over four years. In this way, through private contracts, a direct supply network was established to the state capital, as well as to the municipalities of Libres, Zacapoaxtla, Teziutlán and Altzayanca, in Tlaxcala.

      The excavation of geothermal wells allows the expulsion of fluids, which are basically a mixture of saline water, which are sent as steam through a complex system of pipes, which generate the energy that allows the operation of electric boilers. There are currently more than 40 deposits in the area, which are used by the CFE.

      Other companies using treated water

      After the CFE, the Government of Puebla is responsible for the release of 748,490 cubic meters of wastewater per year. It is accompanied by the municipalities of San Gabriel Chilac, Quecholac and San José Miahuatlán, which are authorized to discharge up to 1,696,155 cubic meters together.

      The report also mentions the multinational automotive company, Audi, which is the main industry that produces the most liquid with these characteristics. According to Conagua data, it is allowed to release close to half a million cubic meters in federal tributaries. In addition, the Bralemex industrial park in Cuautlancingo, as well as the Aga bottling company and the toilet paper producer, Maritex.

      The municipalities that generate the least amount of filtered liquid are Lafragua, San Juan Atenco, Soltepec, Jalpan, Ixtacamaxtitlán, Hueyapan, Tlatlauquitepec, Zapotitlán, Francisco Z. Mena and Zautla.

      Lastly, and in the same way, the for-profit organizations with the least environmental impact on national waters are Solbat, which produces scientific devices such as centrifuges; in addition to the wire producer and marketer, Deacero. The industrial bakery Bimbo, which produces a little more than 34 thousand cubic meters of recycled water per year, appears in the same category.

      Article published in El Sol de Puebla

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