1. Short title This Act may be cited as the Fracturing Responsibility and Awareness of Chemicals Act or the FRAC Act . 2. Regulation of hydraulic fracturing (a) Underground injection Section 1421(d) of the Safe Drinking Water Act ( 42 U.S.C. 300h(d) ) is amended by striking paragraph (1) and inserting the following: (1) Underground injection (A) In general The term underground injection means the subsurface emplacement of fluids by well injection. (B) Inclusion The term underground injection includes the underground injection of fluids or propping agents pursuant to hydraulic fracturing operations relating to oil or natural gas production activities. (C) Exclusion The term underground injection does not include the underground injection of natural gas for the purpose of storage. . (b) State primary enforcement relating to hydraulic fracturing operations Section 1422 of the Safe Drinking Water Act ( 42 U.S.C. 300h–1 ) is amended by adding at the end the following: (f) Hydraulic fracturing operations (1) In general Consistent with such regulations as the Administrator may prescribe, a State may seek primary enforcement responsibility for hydraulic fracturing operations for oil and natural gas without seeking to assume primary enforcement responsibility for other types of underground injection control wells, including underground injection control wells that inject brine or other fluids that are brought to the surface in connection with oil and natural gas production or any underground injection for the secondary or tertiary recovery of oil or natural gas. (2) Administration (A) In general Paragraph (1) shall not apply until the date that is 1 year after the date on which the Administrator publishes in the Federal Register any regulations promulgated under that paragraph. (B) Effect on Administrator Nothing in this subsection affects the authority of the Administrator to approve State programs that assume primary enforcement responsibility for only certain types of underground injection control wells. . (c)