NPS Director's Order 12: Conservation Planning, Environmental Impact Analysis and Decision Making
Table of Contents
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Introduction | Overview of the NEPA Process | Categorical Exclusions | Environmental Impact Statements | Environmental Assessments | Decision Documents | Programmatic Documents and Planning | NPS Review of Non-NPS Documents | Definitions and Acronyms | Appendix 1: Environmental Screening Form | Appendix 2: Categorical Exclusion Form | Contacts | Index
Congaree Swamp National Monument, SC4.3 Environmental Impact Statements — Ongoing or Continuing Action
Introduction | Criteria for Significant Impact | Ongoing or Continuing Action | Actions that Normally Require an EIS | EIS Format | The Final EIS | Supplements to Draft and Final EISs | Public Involvement Requirements | Administrative Process of Review of EISs | Terminating the EIS Process

Boardwalk at Abraham Lincoln BirthplaceCEQ defines federal actions subject to NEPA evaluation to include “continuing activities” (1508.18) in addition to new projects or programs. If your park is making an explicit or a tacit decision to continue with an activity that may have significant impacts to the environment, and either NEPA has never been done or an outdated or inadequate document was used in deciding to take the original action, you should initiate the NEPA process and prepare a document for public review. A change in an ongoing activity should be considered a new action, and the NEPA process should be followed.

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