Aquatic Organism Passage

Aquatic Organism Passages are the removal of culverts that are perched, failing, or undersized to allow for aquatic organisms to move upstream and downstream.

The WNRCD has worked with partners on AOP projects with towns and private land owners.

Valuable AOP Resources

For some valuable resources for AOP projects: including permit requirements, sample plans, asseassessment and screening tools and more, check out:

Information on the guidelines for AOP’s in VT can be viewed at:  Guidelines for the Design of Stream Road Crossings for Passage of Aquatic Organisms in Vermont

VT 04 culverts and concepts opt.pdf