Rate Study
Public Notices
IEUA OFFICE HOURS
IEUA offices are open to the public Monday through Thursday from 8:00 AM to 5:00 PM.
Board/Committee meetings are being held in-person. Members of the public may to attend the meetings in-person or use the call-in number provided on each meeting agenda to participate in the meetings.
For sewer/recycled water connections and as-built requests, please visit the Development Services page or send an email to development@ieua.org.
For general questions, please call (909) 993-1600 or email info@ieua.org.
Chino Basin Program
The Chino Basin Program (CBP) is a series of innovative water treatment and storage projects structured to modernize regional water supplies, storage, and delivery systems.
Learn more about the Chino Basin Program and follow the CBP on social media for program updates and information.
Water Discovery Program
Learn about all things water with our free, educational resources! Visit our Learn About Water page to get started.