EPA has published a proposed rule to establish pretreatment standards that would prevent the discharge (zero discharge) of pollutants in wastewater from onshore unconventional oil and gas extraction (UOG) facilities to publicly owned treatment works (POTW). 80 Fed. Reg. 18557 (April 7, 2015). Essentially, no wastewater from a hydraulically fractured well may be sent to a POTW. Continue reading “EPA Proposes Zero Discharge to POTWs From Oil and Gas Sector” →