Seven oil companies, including Chevron, have been injecting wastewater into 10 aquifers for decades despite never receiving permission from the U.S. Environmental Protection Agency to do so. The aquifers are not currently used for drinking water.
What was the extent of the environmental damage caused by leaking oil wells during September's flood? Turns out, it depends on whom you ask. Word from both government and the industry is that it was minimal, while environmental advocates disagree.