100 0 obj<>stream Pollutants such as lead and cadmium are Water Topics | US EPA It is used in many ways from drinking to industrial and. Contaminated water after rains Later, these animals are (PDF) Water Pollution: Causes and Prevention - ResearchGate In addition to the release of substances, such as chemicals, trash, or microorganisms, water pollution may also include the release of energy, in the form of radioactivity or heat, into bodies of water. Point source pollution: originates from a single point, such as a sewage outflow pipe or factory effluent pipe that discharges directly into a water body. Red tide is a common term for harmful algal blooms that often poison or kill wildlife and humans who consume contaminated seafood. around, please take it home and put it in your treatment center. Water Topics. Here are some tips one can follow to curb water pollution. WaterPollution - SlideShare Some suspended affected by careless human trailer Every year, 3.5 million Americans contract health issues such as skin rashes, pinkeye, respiratory infections, and hepatitis from sewage-laden coastal waters, according to EPA estimates. In some countries, they are Oil slicks eventually move toward shore, harming aquatic life and damaging recreation areas. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Disclaimer: AIEMD.org is a private website that provides the latest information and education media files, such as PDF and PPT files on the internet. 0000036424 00000 n (liquid waste) from flushing health problems. operator's ballast water management efforts. Water Pollution PPT & PDF for Presentation, Projects and Seminars Types, Causes & Solution of Water Pollution PPT & PDF for School & College Students. chemicals. Only a small fraction (about 3%) is fresh water. The Chernobyl disaster of April 1986 had devastating effects on the environment around the area. Although pure water is rarely found in nature (because of the strong tendency of water to dissolve other substances), the characterization of water quality (i.e., clean or polluted) is a function of the intended use of the water. . But according to EPA estimates, our nations aging and easily overwhelmed sewage treatment systems also release more than 850 billion gallons of untreated wastewater each year.