There is not enough data available to assess potential risks to water quality associated with hydraulic fracturing, according to a U.S. Geological Survey (USGS) study.
Additional data in electronic formats on water acquisition, usage, treatment and disposal or recycling associated with unconventional oil and gas well development and completion are needed, the USGS said March 3.
The study found no widespread and consistent trends in water quality, such as chloride and specific conductance, in areas where oil and gas wells are present, the agency said.
“We mined the national water-quality databases from 1970 to 2010 and were able to assess ...
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