These guides are available for purchase from: Water Treatment and Distribution Operators. One of the most destructive types is Petroleum Pollution. An attempt to raise the level of a corrosive chemical in the water of Oldsmar, Florida, is thwarted. The Association of Boards of Certification is dedicated to protecting public health and the environment by advancing the quality and integrity of environmental certification programs through innovative technical support services, effective information exchange, professional and cost-effective examination services, and other progressive services for members. One was the Exxon Valdez oil spill which occurred when an oil tanker hit a reef off the coast of Alaska and over 11 million gallons of oil spilled into the ocean. EPA chief says unsafe water, polluted oceans a bigger global environmental crisis than climate change. ABC works with AWWA and WEF to develop guides to help operators prepare for taking a certification exam. Across the nation, the system that Congress created to protect the nation’s waters under the Clean Water Act of 1972 today often fails to prevent pollution. Types and Sources of Water Pollution There are several major types of water pollution. Oil Spills Some of the most famous incidents of water pollution have been oil spills. WSO Water Treatment, Grade 2. In recent years, use of chemical fertilisers has increased manifold. Here are six of the biggest sources of water pollution: 1. EPA chief Andrew Wheeler called unsafe drinking water a global crisis. In 2008 the ABC's Tracy Bowden spoke to community members in Cordova, Alaska, nearly two decades after the catastrophe. Pollution turns one side of divided Paraguayan lagoon purple ... people began noticing that the water had changed on one side of the roadway and that fish and birds were dying. Posted at 22:06 8 Feb 22:06 8 Feb. Hacker tries to poison US city's water supply. The green revolution in India is a reflection of the increased use of fertilisers. Water pollution. Siberian river recovery to take 'decades' after massive power plant fuel spill. Water pollutants include chemical contamination from waste sites, chemical wastes from industrial discharges, heavy metals such as mercury and lead, sewage waste, food processing waste, fertilizers and pesticides. Agricultural water pollution is caused by fertilisers, insecticides and pesticides, farm animal wastes and sediments. Water pollution occurs when water is contaminated with chemicals and foreign substances that are harmful to humans, plants and animals. A major source of water pollution is waste water which is produced from domestic households, industrial practices as well as agricultural practices results in pollution … Topics: water-pollution, oil-and-gas, russian-federation. American Water Works Association Bookstore Phone (800) 926-7337 ; WSO Water Treatment, Grade 1. Pollution vocabulary, Pollution word list - a free resource used in over 40,000 schools to enhance vocabulary mastery & written/verbal skills with Latin & Greek roots. Petroleum products, such as oil and gasoline, enter the water from ships and marine terminals, offshore oil rigs, runoff from … Sources of Water Pollution from Sewage and Waste Water.