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Contaminants of Emerging Concern (CEC): An Early Warning Sign
People and industry use tens of thousands of chemicals. A vast array of these chemicals have been found in our environment, where we consider them contaminants of emerging concern or CECs. Most of these CECs have not been fully evaluated for the risks they might pose to the environment— or to our health.
Report -- Clean Water Act Regulation of Oil and Gas Wastewater Discharges
This 2020 report provides an overview of Clean Water Act regulations governing onshore produced water discharge, evaluates several aspects of its oversight, and makes recommendations for both EPA and state regulators to improve protection of water resources and increase transparency.
Produced Wastewater Report Appendix
The following table contains detailed information about oil and gas extraction NPDES permits to discharge wastewater to waters of the U.S. for states in the U.S. where permits were found during a systematic search. It includes general (G) and individual (I) permits.
Note:
When searching for general permits, it was not clear which permits were specific to oil and gas extraction operations; therefore, the numbers available in the table are not conclusive.
For individual permits, an asterisk * was added to states where permits were not found due to procedural deficiencies or lack of
Colorado Aquifer Exemptions
Program that Sacrifices Underground Drinking Water for Oil and Gas Injection Raises Questions