NWS flags 15 Puerto Rico municipalities for elevated flood risk

Flood risk designation issued 2026-10-06, as 10 monitored reservoirs recorded falling levels the same day

Yadiel Rosario Quiñones

Grid and Infrastructure Reporter

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Flood risk rises in Puerto Rico as reservoir levels fall AI illustrationhow this picture was made

The National Weather Service has identified 15 municipalities across western and central Puerto Rico as carrying elevated flood risk.^[1] The listed municipalities are Mayagüez, Añasco, Rincón, Yauco, Maricao, Las Marías, Adjuntas, Utuado, Lares, San Sebastián, Moca, Arecibo, Hatillo, Camuy, and Quebradillas. On Tuesday, the Puerto Rico Water and Sewer Authority reported that 10 of the 19 reservoirs it monitors daily saw water levels decrease over the preceding 24 hours.^[2]

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The NWS identified Mayagüez, Añasco, Rincón, Yauco, Maricao, Las Marías, Adjuntas, Utuado, Lares, San Sebastián, Moca, Arecibo, Hatillo, Camuy, and Quebradillas as municipalities with an elevated risk of flooding. · Metro Puerto RicoPuerto Rico
The Puerto Rico Water and Sewer Authority (AAA) reported on Tuesday that ten of the nineteen reservoirs it monitors daily experienced a decrease in water levels over the last 24 hours. · Metro Puerto RicoPuerto Rico

All of them publish from Puerto Rico. None is an official body: that part stands on reporting, not on the underlying document or transcript.