how existing federal approaches to produced water management under the CWA can interact more effectively with state regulations, requirements or policy needs, and.The study will consider available approaches to manage wastewater from both conventional and unconventional oil and gas extraction at onshore facilities, and will address questions such as: These options include: EPA Study on Managing Produced Water In partnership with states,we are examining the different management methods employed by industry to ensure that there are regulatory and permitting frameworks in place to provide safe and legal options for disposal of flowback and produced water. The wastewater can also contain various organic chemicals, inorganic chemicals, metals, and naturally occurring radioactive materials (also referred to as technologically enhanced naturally occurring radioactive material or TENORM). Wastewater associated with shale gas extraction can contain high levels of salt content also called total dissolved solids total dissolved solidsThe quantity of dissolved material in a given volume of water. increases, so too does the volume of shale gas wastewater that requires disposal. Read the guidance, interpretive memo and Federal Register notice.Įnsuring the safe management of wastewater, stormwater, and other wastesĪs the number of shale gas wells in the U.S.Thus, states and tribes responsible for issuing permits and/or updating regulations for hydraulic fracturing will find the recommendations useful in improving the protection of underground sources of drinking water and public health wherever hydraulic fracturing occurs. Although developed specifically for hydraulic fracturing where diesel fuels are used, many of the guidance’s recommended practices are consistent with best practices for hydraulic fracturing in general, including those found in state regulations and model guidelines for hydraulic fracturing developed by industry and stakeholders. We have developed revised UIC Class II permitting guidance specific to oil and natural gas hydraulic fracturing activities using diesel fuels. This statutory language caused regulators and the regulated community alike to raise questions about the applicability of permitting practices. The Energy Policy Act of 2005 excluded hydraulic fracturing, except when diesel fuels are used, for oil, natural gas or geothermal production from regulation under the UIC program. Air pollution resulting from the release of volatile organic compounds, hazardous air pollutants, and greenhouse gases.Įnsuring that hydraulic fracturing using diesel fuels is properly permittedĪ core element of the Safe Drinking Water Act's (SDWA) Underground Injection Control (UIC) program is setting requirements for proper well siting, construction, and operation to minimize risks to underground sources of drinking water. ![]() Adverse impacts from discharges into surface waters or from disposal into underground injection wells and.Contamination of underground sources of drinking water and surface waters resulting from spills, faulty well construction, or by other means.Stress on surface water and ground water supplies from the withdrawal of large volumes of water used in drilling and hydraulic fracturing.Ensuring that hydraulic fracturing using diesel fuels is properly permitted. ![]()
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