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EARTH-2026-0022
The verified case and its evidence have been sent to the office that can act on it.
Tilapia raised in fish cages at Magat Dam began dying on 23 June 2026, with about 10 metric tons of tilapia lost in cages in Ramon and Cordon, Isabela, in the first days. BFAR attributed the deaths to low dissolved oxygen after El Niño-driven heat lowered the dam's water level, and on 6 July put total losses at P120 million: P100 million in Alfonso Lista, Ifugao and P20 million in Ramon, Isabela. Pamalakaya said more than 1,400 fisherfolk in Ramon alone were affected and asked BFAR for relief and livelihood support.
This case is documented in public reporting. Every fact on this page comes from the sources below, which are kept against the case so the record can be checked.
GMA News · Jun 27, 2026
Philippine Star · Jul 6, 2026
BusinessMirror · Jul 6, 2026
Every change of state, timestamped, oldest first. Entries are added, never edited or removed, so the record of how long something took cannot be quietly improved later.
Fish mortality among caged tilapia at Magat Dam was first observed.
Recorded by Fish cage operators
BFAR linked the deaths to the drop in the dam's water level and low oxygen, advised operators to harvest remaining fish, and the provincial fishery office planned free fingerlings.
Recorded by BFAR Isabela
BFAR director Nazario Briguera reported P120 million in losses, while Pamalakaya asked the bureau for relief and livelihood aid for over 1,400 fisherfolk in Ramon.
Recorded by BFAR
The measured result
Taken on a return visit after the work was done, not estimated on the day.