River-groundwater hot spot for arsenic

Naturally occurring (geogenic) groundwater arsenic contamination is a problem of global significance, with noteworthy occurrences in large parts of the alluvial and deltaic aquifers in South and Southeast Asia. To address ...

Arsenic in groundwater? Virginia coal ash case before court

Virginia's largest electric utility asked a federal appeals court Wednesday to overturn a judge's ruling that the company is violating federal law by discharging arsenic through groundwater into surrounding waters from a ...

Arsenic risk in Pakistan much greater than expected

In many parts of the densely populated plains along the Indus River and its tributaries, arsenic concentrations in groundwater supplies exceed the WHO guideline of 10 μg/litre. Very high concentrations, above 200 μg/litre, ...

60 percent of key S.Asian water basin not usable: study

Sixty percent of the groundwater in a river basin supporting more than 750 million people in Pakistan, India, Nepal and Bangladesh is not drinkable or usable for irrigation, researchers said Monday.

Urban pumping raises arsenic risk in Southeast Asia

Large-scale groundwater pumping is opening doors for dangerously high levels of arsenic to enter some of Southeast Asia's aquifers, with water now seeping in through riverbeds with arsenic concentrations more than 100 times ...

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