Fishkill traced to rain, flood, sewage
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Rain, floodwater and sewage draining into the Pampanga River caused oxygen in water to drop to extremely low levels, killing thousands of fish downstream in Candaba, Masantol and Macabebe towns last week, according to a report of the Bureau of Fisheries and Aquatic Resources (BFAR). A water quality assessment conducted by BFAR revealed that dissolved oxygen (DO) in portions of the river fell between 1.28 milligram per liter and 1.41 mg/l, said Gonzalo Coloma Jr., the bureau’s fish health officer in Central Luzon. The ideal level so fish can process oxygen and breathe is 5 mg/l.
Orejas, T. (2015, July 28). Fishkill traced to rain, flood, sewage. Philippine Daily Inquirer, p. A20.