40 C.F.R. § 121.13 : Protection of Environment — ENVIRONMENTAL PROTECTION AGENCY — WATER PROGRAMS — STATE CERTIFICATION OF ACTIVITIES REQUIRING A FEDERAL LICENSE OR PERMIT — Certification by the Administrator — When the Administrator certifies
(a) Certification by the Administrator that the discharge from a proposed project will comply with water quality requirements is required where no state, tribe, or interstate agency has authority to give such a certification.
(b) In taking action pursuant to this paragraph, the Administrator shall comply with the requirements of Clean Water Act section 401 and 40 CFR part 121.