; (C) streamline existing communication and notification systems to improve the strength and uniformity of those systems; and (D) emphasize the necessity of timeliness in notification systems and ensure that the methods of notification can transmit information in a timely manner. (3) Implementation (A) In general Except as provided in subparagraph (B), not later than 2 years after the date of enactment of this Act, the Secretary shall complete the implementation of the plan under paragraph (1). (B) Emergency management notification Not later than 18 months after the date of enactment of this Act, the Secretary shall implement the provisions of the plan relating to emergency management notifications. (4) Savings provision Nothing in this section authorizes the elimination of any existing communication or notification system used by the Corps of Engineers. 1025. Susquehanna, Delaware, and Potomac River Basin commissions Section 5019 of the Water Resources Development Act of 2007 (121 Stat. 1201; 128 Stat. 1307) is amended— (1) in subsection (a)(3), by inserting , who may be the Administrator of the Environmental Protection Agency (referred to in this section as the Administrator ) (or a designee), after member ; and (2) in subsection (b)— (A) in paragraph (1), by striking The Secretary and inserting Subject to the availability of appropriations, the Administrator ; (B) in paragraph (2), by striking For each fiscal year, the Secretary and inserting Subject to the availability of appropriations, for each fiscal year, the Administrator