Civil-Environmental Engineering

Glenn County

Butte City
Elk Creek
Hamilton City

Cities and towns (requirements may differ)​

Summary of Requirements For Gravity Systems*

Glenn County uses the California Uniform Plumbing Code.  


For general requirements and good practices see the FAQ page for Gravity System Requirements:


For UPC specifics: ​



Links to Glenn County Website

For County home page:

For County Building Code:


*The information on this page is a summary for quick reference only and may not represent the latest standards.  For complete and up-to-date information, see each counties official website.