Rate Study
Public Notices
Optimum Basin Management Program Update – CEQA
Proposed Ordinance No. 114 – Regional Sewerage Service Ordinance
Proposed Ordinance No. 115 – Regional Recycled Water Service Ordinance
Chino Basin Program-CEQA
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.
FY 2025/26 Strategic Plan
IEUA’s Board of Directors approves new Strategic Plan for FY 2025/26, effective July 1, 2025. Visit the Read Our Reports page to view the full document.
Water Supply Awareness
For updates on California’s drought status and water saving tips, visit our drought page. For information on water-saving programs or rebates to help you save water indoors and outdoors, click here.
Water Discovery Program
Learn about all things water with our free, educational resources! Visit our Learn About Water page to get started.