Take a look at these training videos about different culvert practices.                                                                                                            

• Utah DOT has a video about Segmental Liners
• New Hampshire DOT has a video about Environmental Managment System

NHDES Culvert Maintainer webpage

Quick Reference Sheet 

Certification Application 

Project Notice Form 

Quarterly Report Form 

BMP Manual 

BMP Sedimentation Control Methods 

Prime Wetlands 

Culvert Problems and Solutions

Designated Rivers