English: The Meycauayan River & the old bridge leading to the Public Market, almost sunset photo (World's "Dirty 30"- In its 2007 report, The World’s Worst Polluted Places issued on September 16, the Blacksmith Institute included Meycauayan and Marilao in Bulacan, Philippines, in the list of the world’s thirty most polluted places in the developing world. The World’s Worst Polluted Places It stated: "Industrial waste is haphazardly dumped into the Marilao, Meycauayan, and Obando River system, a source of drinking and agricultural water supplies for the 250,000 people living in and around” the Meycauayan-Marilao area."[1]