Welcome to PEPC

Welcome to the National Park Service's Planning, Environment and Public Comment (PEPC) site!

The National Park Service prepares a variety of planning and environmental documents to help guide management of parks. This site provides for public involvement in the NPS planning process.

Documents by Park - Go directly to a specific park's list of active projects
Policy/Guidance - NPS policy, pertinent Director's orders, terminology, and more
Park Planning - Find NPS Planning Program information, Plans and Tools
Search Documents - Search by keyword, park, state, document status, document type, project type or NEPA type

Projects with Documents Open for Comment
To search all projects and documents, use our Search page.

Park	Project Title	Review Ending
Indiana Dunes National Park	Construction of Marquette Greenway Trail - Mnoke Prairie Segment	Oct 28, 2025
Glen Canyon National Recreation Area	Address Low Water Impacts at Antelope Point Public Ramp for Recreational Access	Oct 29, 2025
National Mall and Memorial Parks	National Mall Telecommunications Infrastructure Plan	Nov 06, 2025
Olympic National Park	East Fork Quinault River Trail and Enchanted Valley Overcrowding	Feb 28, 2026
National Trails Office	Butterfield Overland National Historic Trail Comprehensive Plan	Oct 06, 2026
State, Tribal, and Local Plans & Grants	Hurricanes Florence and Michael and Supertyphoon Yutu Programmatic Agreement	Sep 30, 2028
George Washington Memorial Parkway	MS4 Virginia	Oct 01, 2028
George Washington Memorial Parkway	MS4 Maryland	Nov 01, 2028

References to non-Department of the Interior (DOI) products do not constitute an endorsement by the DOI.

Welcome to PEPC

Projects with Documents Open for Comment To search all projects and documents, use our Search page.

Projects with Documents Open for Comment

Projects with Documents Open for Comment
To search all projects and documents, use our Search page.