Actions normally requiring an EIS.
33 C.F.R. § 230.6
in effectEffective: 2024-07-01Actions normally requiring an EIS are:
(a) Feasibility reports for authorization and construction of major projects;
(b) Proposed changes in projects which increase size substantially or add additional purposes; and
(c) Proposed major changes in the operation and/or maintenance of completed projects.
District commanders may consider the use of an environmental assessment (EA) on these types of actions if early studies and coordination show that a particular action is not likely to have a significant impact on the quality of the human environment.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-33.xmlFetched: 7/26/2026
