Civil-Environmental Engineering

Colusa County


Colusa
Williams

 

Summary of Requirements For Gravity Systems*

Colusa County uses the California Uniform Plumbing Code.  

 

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

 

For UPC specifics: ​

​​

 

Unincorporated communities
 

Links to Colusa County Website

For County home page:

For County Building Code:

 

Cities and towns (requirements may differ)​

Arbuckle
College City
Grimes
Lodoga
Maxwell
Princeton
Stonyford

*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.