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Environmental Review

Update Late Summer/Early Fall 2023

We are currently reviewing a high volume of federal, state, and local projects. Due to the unanticipated heavy workload and staffing constraints, SHPO project reviews are currently taking between 45-60 days to complete. We are working hard to get back to 30-day review timelines and appreciate your patience at this time.

The Environmental Review (ER) team is continuing to work on a major overhaul of ER program web pages. This effort is also delayed and our goal is to have “new and improved” ER webpages and resources launched in early 2024.

To use SHPO files, please email

Federal and State Legislation Related to Historic Preservation

A variety of laws direct federal and state agencies to be mindful of historic properties as they carry out their work.

Submitting a Project for Review

Need a project review and comment letter from SHPO? Visit this page for guidance on how to submit a project for review.

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