Groundwater Contamination In The United States -

arsenic contamination of groundwater wikipedia - arsenic contamination of groundwater is a form of groundwater pollution which is often due to naturally occurring high concentrations of arsenic in deeper levels of groundwater it is a high profile problem due to the use of deep tubewells for water supply in the ganges delta causing serious arsenic poisoning to large numbers of people a 2007 study found that over 137 million people in more, groundwater contamination groundwater foundation - groundwater contamination over 50 of the united states population depends on groundwater for drinking water groundwater is also one of our most important sources of water for irrigation, hinkley groundwater contamination wikipedia - history in the early 1950s pacific gas electric built their first two compressor stations in topock arizona and hinkley at the southern end of what would become their trans california natural gas transmission system a network of eight compressor stations linked using 40 000 miles 64 000 km of distribution pipelines and 6 000 miles 9 700 km of transport pipelines, water resources groundwater software - this software and related material data and documentation are made available by the u s geological survey usgs to be used in the public interest and the advancement of science you may without any fee or cost use copy modify or distribute this software and any derivative works thereof, water wells texas groundwater protection committee - well basics the groundwater foundation s wells and how they work has more information on well construction wellowner org provides information regarding water well basics and offers free online well owner lessons, usgs groundwater information publications - usgs groundwater information selected groundwater publications selected usgs groundwater publications recent publications introductory documents on groundwater hydrology, pollution of groundwater river depth effects - natural substances some groundwater pollution occurs naturally the toxic metal arsenic for instance is commonly found in the sediments or rock of the western united states and can be present in groundwater at concentrations that exceed safe levels for drinking water, general information about injection wells protecting - definition of underground sources of drinking water an underground source of drinking water usdw is an aquifer aquiferan aquifer is a geological formation or group of formations or part of a formation that is capable of yielding a significant amount of water to a drinking water well or spring or a part of an aquifer that is currently used as a drinking water source, unconventional oil and natural gas development us epa - epa works with states and other key stakeholders through sound scientific research and regulation to help ensure that natural gas extraction from shale formations also called fracking or hydrofracking does not harm public health and the environment, groundwater nys dept of environmental conservation - groundwater is a critical source of water in new york state learn about groundwater including basic information primary and principal aquifers groundwater resource mapping and quality monitoring long island aquifers the divison of water recommended pump test procedures water supply well decommissioning recommendations and the water well driller program, groundwater data texas water development board - groundwater data over the past several decades twdb staff have inventoried and entered records of nearly 140 000 water wells including 2 000 springs in the twdb groundwater database gwdb, glossary of water resource terms edwards aquifer - glossary of water resource terms a b c d e f g h i j k l m n o p q r s t u v w x y z a abandoned water right a water right which was not put to beneficial use for a, improperly managed on site wastewater treatment systems - on site wastewater treatment systems on site wastewater treatment systems are a popular method of disposing of sewage in the united states especially in rural areas that do not have readily available sewer lines