[REVISION HISTORY]

Water resource management amid drought and El Niño

Updated 6 times since CLSTR started tracking revisions of this situation.

What changed

2026-09-08 00:21 UTC → 2026-09-09 15:44 UTC · added ~~removed~~

Regional authorities are implementing various measures to manage water resources in response to drought conditions and the El Niño phenomenon. In Spain, several municipalities have introduced restrictions, including fines for improper use and bans on activities such as filling private pools, washing cars, and irrigating gardens, as river flows have dropped significantly below normal levels. In South America, preparations for the El Niño 2026-27 cycle have led to contingency planning in Uruguay and Colombia. In Medellín, Colombia, authorities moved from planning to active water rationing starting August 31, 2026. Empresas Públicas de Medellín (EPM) implemented a staggered service interruption scheme across six communes to preserve reserves through early 2027. Following a reduction in consumption, the Medellín District and EPM temporarily suspended cuts from Wednesday through Sunday, though they continue to monitor levels at the Piedras Blancas reservoir. By early September 2026, Medellín implemented nighttime water rationing, while El Carmen de Viboral also introduced nighttime cuts. As of early September 2026, the situation has intensified. In Colombia, President Abelardo de la Espriella introduced the ‘Plan Energía YA’ to protect energy supplies through incentives and thermal generation mechanisms. Localized shortages have reached Vélez, Santander, where residents are using water trucks. In Medellín, EPM announced scheduled eight-hour nightly service interruptions from September 8 to September 14, after users in the Piedras Blancas, Riogrande, and La Fe systems failed to meet daily water reduction targets. ~~In Guatemala, President Bernardo Arévalo launched~~ The water supply system faces a ~~multi-axis plan to address food security and irrigation in~~ deficit of nearly 120 liters per second, with officials warning the ~~Central American Dry Corridor. In Mexico, authorities in Tamaulipas are prioritizing water management and forest fire prevention through community brigades and firebreaks.~~ Piedras Blancas reservoir could reach critical levels within 15 days. Additionally, ~~authorities~~ the El Niño phenomenon is driving food insecurity; in Honduras, a red alert was declared as the ~~Huila region are monitoring eight municipalities due~~ World Food Programme warns acute food insecurity could affect up to ~~low river levels, and Bogotá faces potential energy supply risks.~~ 1.9 million people.

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