The Regional Administrator shall review the application, certification, and any supplemental information provided in accordance with §§121.11 and 121.12 and if the Regional Administrator determines there is reason to believe that a discharge may affect the quality of the waters of any State or States other than the State in which the discharge originates, the Regional Administrator shall, no later than 30 days of the date of receipt of the application and certification from the licensing or permitting agency as provided in §121.11, so notify each affected State, the licensing or permitting agency, and the applicant.