; and (C) secures an agreement providing such upfront funding as is necessary to pay the non-Federal share of the capital costs of the federally owned storage project. (4) Notification The Secretary shall submit to the appropriate committees of Congress a written notification of the determinations under paragraph (3) by not later than 30 days after the date of the determinations. (5) Environmental laws In participating in a federally owned storage project under this subsection, the Secretary shall comply with all applicable environmental laws, including the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq.). (6) Expansion or upgrade The Secretary shall require, as a condition for design, study, or any other participation in the expansion or upgrade of a federally owned storage project— (A) the agreement of any single entity that has an existing water service contract or repayment contract for more than 60 percent of the capacity or yield of the federally owned storage project that the expansion will not adversely affect any right or interest of the entity under the water service contract or repayment contract, as applicable