In Los Angeles, scientists have found that 60 million gallons of ground water in the local watershed contain the environmentally harmful metal, chromium 6. The contamination is moving in the direction of the city’s main drinking water supply and could pose a major health problem within 10 years.
More than 50 percent of Pennsylvania’s streams are polluted as a result of decades of coal mining operations. Drinking water in 39 of the state’s 69 counties is affected.
In many municipalities in the United States, the infrastructure that conveys and sanitizes water is deemed inadequate. Miles of underground pipes have been corroding due to age, allowing lead into drinking water. Water treatment plants that were built at the turn of the 20th century to filter out particles and destroy bacteria regularly fail to remove pesticides, chemicals and other harmful materials.
Mercury, copper, chromium, arsenic, gasoline and ammonia-based perchlorate are showing up in increasing concentrations in the nation’s water supply. Furthermore, surging population growth in states such as California, Texas and Florida have created severe water...