Essay Identifying Legal Risk for a Large Organisation: Walmart. The essay is to be 8 pages with three to five sources, with in-text citations and a reference page.Clean Water Act is one of the important Federal laws of USA. The law cares for the clean water supply within the country and protect this important natural resource from being polluted. The law was passed in 1972 for maintaining the wetlands of the country. The act looks after biological, chemical and physical integrity of the water areas of the nation. The law was enacted by the 92nd US Congress. This Act establishes the fundamental structure of pollution discharge in the waters of USA. It is a primary legislation of USA that takes care of clean water in the country. The Act prevents nonpoint and point sources of pollution and provides assistance to the waste water treatments. The law was earlier known as Federal Water Pollution Control Act of 1948. The law was introduced to prevent discharging of illegal wastages in the water areas of the country. According to the provision of this act, point sources are not allowed to emit or dump solid wastages in the surface of the waters (Hubbard, Thomas, &Varnham, 1999). According to this Act, it requires prior permission from National Pollutant Discharge Elimination System. The Act provides strategy to encounter four different environmental challenges. Those challenges are “Municipal Combined Sewer”, “Sanitary Sewer Overflows”, “Concentrated Animal Feeding Operations (CAFOs)” and “Storm Water”. Foresee ability of section 404 of Clean Water Act is to regulate or control the discharge of dredged material in the waters of USA.