Due to the COVID-19 pandemic and Shelter in Place Order, our office is closed to the public.  Behind the scenes our operations will continue.  Our staff is committed to the continual delivery of safe and high quality water.  See answers to frequently asked questions here.


Development Procedures

It is important to contact the District early in your project's design stage for any new water service, water main or other water facilities to avoid delays in your project.  Below are details regarding each stage of the process.

Plan Design Stage:

Plan Review Stage:

Construction of Water Facilities:

Backflow Prevention:

Approved Contractors:


Submittal Process:

For additional information regarding new water facility development including requests for District's facility maps, please send your requests/inquiries to development@diablowater.org.  Please allow 48 hours for a response..