Posted by: Saving Water SA (Cape Town, South Africa) – partnered with Water Rhapsody conservation systems – 11 May 2011
Methane leaks are contaminating drinking water near shale gas drilling sites in the eastern United States, scientists said on Tuesday, placing a further question mark over this fast-growing energy source.

Shale gas carries a greater carbon footprint than oil, coal and conventional gas, using current extraction techniques
Scientists tested water samples taken from 68 private wells in five counties in Pennsylvania and New York to explore accusations that “hydro-fracking” – a contested technique to extract shale gas – contaminated groundwater.
Methane was found in 85 percent of the samples, and at sites within a kilometre of active hydraulic-fracturing operations, levels were 17 times higher than in wells far from such operations, said the study by researchers at Duke University in North Carolina.
“In these rural areas, almost everybody has a well. They are using the groundwater for some purpose – they are using it for drinking, for their livestock, for agriculture,” lead author Stephen Osborn told AFP.
However, little is known about the health impacts of consuming methane in drinking water.
“We were surprised, and we have spoken with many health officials,” he said.
“There is really no literature that addresses that particular issue – the physiological response – is methane really non-reactive in the body? What are the effects of consuming high concentrations of methane?” Continue reading Drinking water contaminated by fracking