Program , to provide grants for the design and installation of water infrastructure projects, including wastewaster transport and treatment systems and drinking water treatment and distribution systems, that use innovative materials to reduce total costs, including operation and preservation expenses, and extend the service life of installed structures. (b) Applications To be eligible to receive a grant under subsection (a), an applicant shall submit to the Administrator an application at such time, in such manner, and containing such information as the Administrator may require. (c) Eligible projects To be eligible to receive a grant under subsection (a), a water infrastructure project shall— (1) serve a community with a population between 3,301 and 99,999