Thai Government Official Urges Caution on Prachinburi Fish Death Cause as Pollution Agency Investigates Aluminum Levels

Key summary

On October 25, 2026, Deputy Prime Minister Spokesperson Ms. Lida Perisavitthana stated that the government will not rush to conclusions regarding fish deaths in the Prachinburi River. The Department of Pollution Control (DPC) under the Ministry of Natural Resources and Environment is investigating water quality, noting that while aluminum was found at levels between 0.559 and 3.547 mg/L, it can occur naturally or from industrial sources. A previous data error regarding ammonia and aluminum figures has been corrected. The DPC plans to collect sediment samples after floodwaters recede and confirmed that mercury, cadmium, and lead in nine fish samples tested on October 21, 2026, were within standards.