Infrastructure

Nine Reservoirs in Puerto Rico Register Water Level Decreases

Published Oct 10, 2026, 8:42 AM AST· Updated Oct 11, 2026via El Nuevo Día

Why this matters: For Puerto Rico households and communities, the reservoir levels affect the island’s water supply and distribution, with changes in levels impacting the Authority’s management of the water system.

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Nine reservoirs in Puerto Rico registered decreases in their water levels on Saturday, while five increased and five remained unchanged, according to the Puerto Rico Aqueduct and Sewer Authority (AAA). Carraízo’s level decreased by three centimeters to 40.91 meters, remaining in the Safe band, four centimeters away from the Spilling band. La Plata’s level decreased by two centimeters to 43.52 meters, staying in the Adjustments band.

Guajataca had the largest decrease, of nine centimeters, to 196.27 meters. In contrast, Fajardo and Guayo had the largest increases, of 13 centimeters each, reaching 48.19 and 443.29 meters, respectively. The AAA also reported that five reservoirs, including Cidra and Río Blanco, showed no changes in their levels.

The Authority had opened a small gate at the Carraízo reservoir on Thursday as the water level neared the Spilling band.

SourceEl Nuevo Día

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