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| Desagüe project | |
|---|---|
| Name | Desagüe project |
| Location | Valley of Mexico, Mexico City, State of Mexico |
| Status | Completed / Ongoing maintenance |
| Begin | 17th century (earliest works) |
| Complete | 20th century major works; 21st century adaptations |
| Cost | Multiphase investments by Spanish Empire, First Mexican Empire, United Mexican States, Porfiriato |
| Owner | Mexican Federal Government, Comisión Nacional del Agua, local municipalities |
Desagüe project The Desagüe project refers to the long-term set of hydraulic works and drainage programs in the Valley of Mexico aimed at controlling flooding, reclaiming land, and regulating water in Mexico City, Texcoco, and surrounding municipalities. Initiated during the colonial period and advanced through the eras of Viceroyalty of New Spain, the Mexican War of Independence, the Reform War, and the Mexican Revolution, the project involved engineers, politicians, and institutions such as Enrique Topete, Alexander von Humboldt, Antonio García Cubas, Porfirio Díaz, William H. Emory, Teodoro A. Dehesa, and agencies like the Secretaría de Fomento, Comisión del Valle de México and the Comisión Nacional del Agua. The works intersected with urbanization in Mexico City, land tenure disputes, foreign investment from Great Britain, France, and the United States of America, and debates involving figures like José María Morelos, Benito Juárez, José Vasconcelos, and engineers trained at the École des Ponts ParisTech and Rensselaer Polytechnic Institute.
Early drainage ideas responded to recurrent inundations of Tenochtitlan during the late postclassic period and intensified after the Spanish conquest of the Aztec Empire when Hernán Cortés and colonial administrators sought to convert the lacustrine environment. Colonial interventions drew on precedents such as the Great Drain of Rome, and colonial administrators referenced reports by Gonzalo de Salazar, Enrique de Villena, and cartographers like Sebastián del Castillo and Captaincy General of New Spain surveyors. The catastrophic floods of 1555 and 1629 prompted projects supported by viceroys such as Viceroy Luis de Velasco, Viceroy Don Juan de Oñate, and engineers like Enrico Martínez. Nineteenth-century momentum came amid liberal reforms under Guadalupe Victoria and Antonio López de Santa Anna, with scientific input from Alexander von Humboldt and engineering proposals influenced by the Industrial Revolution and the work of hydrologists from United Kingdom institutions and the Académie des Sciences.
Designs ranged from open canals and diversion tunnels to pumping stations and levees, combining methods from Roman drainage, Dutch land reclamation, and contemporary American railroad-era hydraulics. Notable technical elements included the Gran Canal de Desagüe, the Tacubaya Siphon, and the Grand Tunnel of Huehuetoca (Tajo de Nochistongo), inspired by proposals by Enrico Martínez and later built with techniques endorsed by engineers associated with Thames River works and Suez Canal planners. Mechanical innovations integrated steam-driven pumps from firms like Boulton and Watt, later replaced by electric pumps from companies such as General Electric and Siemens. Design teams involved engineers educated at the Royal Engineering Academy (Spain), Polytechnic School of Paris, and local institutions like the National Autonomous University of Mexico.
Construction unfolded in phases: early colonial channels and the 17th-century Alameda interventions; 18th-century tunnel excavations commissioned by viceroys; 19th-century imperial projects under Agustín de Iturbide and improvements during the Porfiriato with foreign contractors from United Kingdom and France; and 20th-century modernization under the Cardenas administration and postwar governments investing in pumps and reservoirs. Key contractors included British firms tied to the Bank of England era finance and American contractors tied to J.P. Morgan-era syndicates. Infrastructure milestones involved the excavation of the Nochistongo cut, construction of the Gran Canal, installation of the Valle de México pumps, and development of the Sistema Cutzamala pipeline, linking to Mexico’s national electrification drives and urban planning by figures like Carlos Obregón Santacilia and Teodoro A. Dehesa.
The drainage transformed the Valley of Mexico from a shallow lacustrine basin into reclaimed plains, altering regional hydrology and leading to subsidence documented by studies from Instituto de Geofísica (UNAM), CONAGUA, and international teams from University of California, Berkeley, Massachusetts Institute of Technology, and Imperial College London. Consequences included the drying of Lake Texcoco, loss of wetlands used by indigenous communities of Chalco and Xochimilco, changes in groundwater recharge, increased vulnerability in seismic events studied with references to the 1985 Mexico City earthquake and contemporary urban resilience planning by UN-HABITAT and World Bank analysts. Environmental monitoring involved institutions like the Instituto Nacional de Ecología and collaborative projects with Smithsonian Institution scientists.
The project enabled urban expansion of Mexico City into former lakebeds, facilitating industrialization in districts like La Merced and transportation corridors tied to the Mexico City–Puebla railway and Pan American Highway networks. Land reclamation affected ejido communities and indigenous alcaldías such as San Andrés Mixquic, provoking land disputes adjudicated by courts modeled on codes influenced by the Napoleonic Code and national reforms under Benito Juárez. Economic beneficiaries included elites linked to Porfirian modernization and investors from the Royal Bank of Scotland era; labor mobilization involved workers organized in unions influenced by leaders like Rafael F. Muñoz and later electoral politics shaped by the Institutional Revolutionary Party and opposition from groups aligned with Zapatista Army of National Liberation rhetoric. Public health campaigns by the Ministry of Health and invoking figures like Ramon de la Fuente targeted vector-borne diseases altered by hydrological change.
Contested issues included water rights litigated under laws such as the Ley de Aguas Nacionales and disputes before courts influenced by precedents from Supreme Court of Justice of the Nation, with cases involving municipalities, private concessionaires, and transnational corporations. Legal controversies invoked treaties and international arbitration examples like disputes involving Standard Oil-era concessions and debates over compensation to ejidatarios based on provisions similar to the Ley Agraria. Environmental litigation engaged NGOs such as Greenpeace Mexico, World Wildlife Fund, and academic advocates from El Colegio de México, while political scandals tied to patronage networks surfaced during administrations of Porfirio Díaz, Lázaro Cárdenas, and later governors.
Today the works persist as a hybrid system of tunnels, canals, and pumping stations operated by CONAGUA and municipal water systems, integrated into metropolitan planning led by Gobierno de la Ciudad de México, with modernization projects supported by international agencies like the Inter-American Development Bank and United Nations Development Programme. The legacy includes altered landscapes referenced in literature by Octavio Paz and cartography by Antonio García Cubas, ongoing academic work at Universidad Nacional Autónoma de México, Instituto Politécnico Nacional, and cultural memory preserved in Museo del Agua. Debates continue among hydrologists from Stanford University and policymakers balancing flood risk, subsidence mitigation, and heritage conservation in sites like Xochimilco and the Historic Center of Mexico City.
Category:Water management in Mexico