Section 401 Water Quality Certification

State certification of water quality a compliance with applicable requirements.

Section 401 water quality certification. Cwa section 401 specifies that the agency must determine whether the proposed activities would meet the state water quality standards at 35 ill. Such other state determines that such discharge will affect the quality of its waters so as to violate any water quality requirements in such state and within such sixty day period. Under section 401 any project seeking federal permits or licenses for activities that may result in any discharge into the navigable waters must also obtain a water quality certification from a state or interstate authority.

On june 1 2020 the epa finalized the clean water act section 401 certification rule to implement the water quality certification process consistent with the text and structure of the clean water act cwa. Cwa section 401 governs certification of water quality. Clean water act section 401.

Section 401 certification the clean water act cwa gives states and authorized tribes the authority to grant deny or waive certification of proposed federal licenses or permits that may discharge into waters of the united states.