Does fraccing contaminate water?

In no case has hydraulic fraccing been confirmed as causing groundwater contamination.

In some regions, coal seams or shales hold both water and natural gas, or naturally occurring gas seeps lie adjacent to aquifers or rivers.

Many parts of the US and some parts of Queensland have a long history of gas seeps or of drilling water bores into gas-bearing rock formations.

Many water bores in Queensland are actually drilled into coal seams and water from these seams has been used for stock watering and irrigation for decades.

Some US states were warning residents of methane in water supplies long before the natural gas industry became active in their region. (Michigan Department of Public Health 1965)

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