The overflow of the El Tecolote dam leaves 250 homes affected in Guanajuato

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On June 21, 2025, the El Tecolote dam in Ocampo, Guanajuato, Mexico, overflowed catastrophically, inundating the community of San Pedro de Ibarra and leaving approximately 250 homes damaged. The incident followed intense rainfall that overwhelmed the dam’s capacity, unleashing a torrent of water, mud, and debris that surged through the town in under 30 minutes.

Residents reported that the water reached up to 2.5 meters in height, sweeping away walls, roofs, vehicles, and household belongings. The flood displaced nearly 500 people, many of whom lost their homes and lifelong possessions. Despite the scale of destruction, only four individuals sustained minor injuries, thanks in part to early warnings from local farmers who noticed the dam’s structural weakening hours before the breach.

The dam, originally constructed by the state government as a water reservoir for livestock, had shown signs of erosion earlier that day. Community members attempted to alert local leaders, urging residents to evacuate to higher ground. Unfortunately, not everyone heeded the warnings in time.

In response, authorities from all levels of government mobilized quickly. The Mexican Army activated Plan DN-III, providing emergency aid, medical attention, and cleanup support. Relief centers were established, and damage assessments began immediately. Officials estimate that 10% of the affected homes suffered structural damage, and at least 60 vehicles were rendered inoperable.

This disaster has reignited concerns about infrastructure maintenance and emergency preparedness in rural communities. For many in San Pedro de Ibarra, the flood was not just a natural event—it was a devastating reminder of the consequences of neglect and the urgent need for resilient planning.

Source: Excelsior

San Miguel Post