groundwater pollution
Groundwater is the largest source of freshwater. Groundwater is water contained in the pore spaces between oil and rocks below the Earth's surface. The supply of Groundwater is larger than all the streams and lakes of the world combined. Groundwater pollution is a serious problem because many people depend on groundwater for their drinking water. Car pollution of soil and groundwater comes from various sources, such as runoff of used motor oil, improperly disposed car batteries, and leaking gasoline tanks at gas stations. About 300 million gallons of used motor oil is created each year in the United States. People who change their own oil pour eighty million gallons on roads, driveways, yards or into sewers and put forty two million gallons into the trash where it is collected taken to landfills. Used oil makes up the largest single source of oil pollution in our nation's streams and rivers. According to EPA the oil from just one change is enough to contaminate a million gallons of freshwater. The oil can seep into streams and lakes and groundwater and contaminate them. Oil drainage has been reported to account for more than forty percent of the total oil pollution of our nation's harbors and wa
We also have to remember that groundwater is part of the Hydrologic Cycle. This seeping contaminated the soil and the groundwater below. Landfills are the places that our garbage is taken to be buried. If groundwater becomes polluted, it will no longer be safe to dri!nk. Manufacturers also now use fewer toxic raw materials and chemicals. One pint of oil can produce a slick one acre. Pollution prevention conservation methods were created to protect important groundwater supplies from being contaminated in the first place. Many steps are being taken to keep pollutants from reaching groundwater supplies. In other areas groundwater is polluted by humans pollutions. Septic systems are for homes, offices or other buildings that are not close to a city sewer system. Thirty five ppm can produce a visible slick on the water that can damage aquatic life, and fifty ppm can foul the waste water treatment process. The speed that groundwater flows at depends on the size of the spaces in the soil or rock and how well the spaces are connected. Compounds from the surface can move through the soil and end up in the groundwater. In 1984, federal legislation tried to detect these leaks and required service stations to monitor for leaks of underground storage tank at a gas station polluting the groundwater below. This rate is larger than the recycling rates for all other consumer products including aluminum cans, newspapers, and glass bottles.
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