; (B) any census tract with a poverty rate of not less than 20 percent, as measured by the 5-year data series available from the American Community Survey of the Bureau of the Census for the period of 2014 through 2018; and (C) any territory or possession of the United States. (2) Eligible activity The term eligible activity means one of the following activities with respect to a public water system: (A) Installing or upgrading water treatment facilities. (B) Constructing or rehabilitating storage tanks. (C) Installing or replacing water transmission and distribution pipes. (D) Installing or upgrading pump stations. (E) Installing emergency generators. (F) Upgrading supervisory control and data acquisition systems. (G) Installing advanced metering infrastructure. (H) Installing or upgrading wells. (I) Facilitating compliance with any primary or secondary drinking water regulation promulgated under this Act. (J) Any other activity determined appropriate by the Administrator. (3) Rural area The term rural area means an area with a population of 20,000 or fewer inhabitants. (b) Water infrastructure enhancement grant program (1) In general The Administrator shall establish a program to provide grants to suppliers of water to carry out eligible activities for the purpose of making infrastructure improvements to public water systems in accordance with this section. (2) Other considerations Of the total amounts made available to carry out the grant program established under paragraph (1)— (A) not less than 50 percent shall be for eligible activities carried out in rural areas