; and (B) is otherwise eligible for assistance under this Act. (2) A project for enhanced energy efficiency in the operation of a water system. (3) A project for accelerated repair and replacement of an aging water distribution facility. (4) A brackish or sea water desalination project. (5) Acquisition of real property or an interest in real property for water storage, reclaimed or recycled water, or wastewater, if the acquisition is integral to a project described in paragraphs (1) through (5). (6) A combination of projects, each of which is eligible under paragraphs (1) through (6), for which an eligible entity or group of eligible entities submits a single application. (b) Eligible costs Assistance made available under this Act (as paid by or for the account of an obligor) may be used to cover the following costs with respect to an eligible project: (1) Development-phase activities, including planning, feasibility analysis, revenue forecasting, environmental review, permitting, preliminary engineering and design work, and other preconstruction activities. (2) Construction, reconstruction, rehabilitation, and replacement activities. (3) Acquisition of real property (including water rights, land relating to the project, and improvements to land), environmental mitigation, construction contingencies, and acquisition of equipment. (4) Capitalized interest necessary to meet market requirements, reasonably required reserve funds, capital issuance expenses, and other carrying costs during construction. (5) Refinancing interim construction funding, existing long-term project obligations, or a secured loan or loan guarantee made under this Act. (c) Additional eligibility requirements To be eligible to receive financial assistance under this Act, a project shall meet the following criteria, as determined by the Secretary: (1) Creditworthiness (A) In general Subject to subparagraph (B), the project shall be creditworthy, as determined by the Secretary, who shall ensure that any financing for the project has appropriate