11 October 2014. After California state regulators shut down 11 fracking wastewater injection wells last July over concerns that the wastewater might have contaminated aquifers used for drinking water and farm irrigation, the EPA ordered a report within 60 days.

DESMOGBLOG.COM

http://www.desmogblog.com/2014/10/07/central-california-aquifers-contaminated-billions-gallons-fracking-wastewater

 

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