; and (ii) has plans to identify or has identified opportunities in the operations of the public water system to employ new or emerging, yet proven, technologies, as determined by the Administrator, that enhance treatment, monitoring, affordability, efficiency, or safety of the drinking water provided by the public water system, including technologies not identified in the study conducted under subsection (a)(1). (B) Program The term program means the competitive grant program established under paragraph (2). (C) Public water system The term public water system has the meaning given the term in section 1401 of the Safe Drinking Water Act ( 42 U.S.C. 300f ). (D) Underserved community The term underserved community means a political subdivision of a State that, as determined by the Administrator, has an inadequate system for obtaining drinking water. (2) Establishment The Administrator shall establish a competitive grant program under which the Administrator shall award grants to eligible entities for the purpose of deploying technologies described in paragraph (1)(A)(ii). (3) Requirements (A) Applications To be eligible to receive a grant under the program, an eligible entity shall submit to the Administrator an application at such time, in such manner, and containing such information as the Administrator may require. (B) Limitation A grant provided under the program shall be in an amount that is not more than $500,000. (C) Federal share (i) In general Subject to clause (ii), the Federal share of the cost of a project carried out using a grant under the program shall not exceed 90 percent of the total cost of the project. (ii) Waiver The Administrator may increase the Federal share under clause (i) to 100 percent. (4) Report Not later than 1 year after the date on which Administrator first awards a grant under the program, and annually thereafter, the Administrator shall submit to Congress a report describing— (A) each recipient of a grant under the program during the previous 1-year period