At the time of issuance of the license or exemption for the project, the Commission finds that the project will not have substantial adverse effects on the environment, including recreation and water quality. Such finding shall be made by the Commission after taking into consideration terms and conditions imposed under either paragraph (3) of this subsection or section 10 of the Federal Power Act [
16 U.S.C.
803] (whichever is appropriate as required by that Act [
16 U.S.C.
791a et seq.] or the Electric Consumers Protection Act of 1986) and compliance with other environmental requirements applicable to the project.