; or (C) other decentralized stormwater or wastewater approaches to minimize flows into the sewer systems. ; and (4) by striking subsection (i). 5006. Water infrastructure flexibility (a) Definition of Administrator In this section, the term Administrator means the Administrator of the Environmental Protection Agency. (b) Integrated plans (1) Integrated plans Section 402 of the Federal Water Pollution Control Act ( 33 U.S.C. 1342 ) is amended by adding at the end the following: (s) Integrated plan permits (1) Definitions In this subsection: (A) Green infrastructure The term green infrastructure means the range of measures that use plant or soil systems, permeable pavement or other permeable surfaces or substrates, stormwater harvest and reuse, or landscaping to store, infiltrate, or evap­o­trans­pi­rate stormwater and reduce flows to sewer systems or to surface waters. (B) Integrated plan The term integrated plan has the meaning given in Part III of the Integrated Municipal Stormwater and Wastewater Planning Approach Framework, issued by the Environmental Protection Agency and dated June 5, 2012. (C) Municipal discharge (i) In general The term municipal discharge means a discharge from a treatment works (as defined in section 212) or a discharge from a municipal storm sewer under subsection (p). (ii) Inclusion The term municipal discharge includes a discharge of wastewater or storm water collected from multiple municipalities if the discharge is covered by the same permit issued under this section. (2) Integrated plan (A) In general The Administrator (or a State, in the case of a permit program approved under subsection (b)) shall inform a municipal permittee or multiple municipal permittees of the opportunity to develop an integrated plan. (B) Scope of permit incorporating integrated plan A permit issued under this subsection that incorporates an integrated plan may integrate all requirements under this Act addressed in the integrated plan, including requirements relating to— (i) a combined sewer overflow