“Very high” levels of coliform have been found at popular resorts in Panglao in Bohol and in El Nido in Palawan, according to an inter-agency body tasked to monitor tourist attractions and ensure their compliance with environmental laws. Tourism Secretary Bernadette Romulo-Puyat said in an interview that coliform count was 16,000 most probable number (mpn) at the Alona Beach in Panglao and 1,300 mpn at the Buena Suerte Beach in El Nido. The coliform level found is much higher than the normal water quality of 100 mpn.

Ramirez, R. (2018, December 1). 'Coliform high in Panglao, El Nido beaches'. The Philippine Star, p. 3.