Established in 1920

Serving the Yakima River Valley

Announcements and Important Notices

Initial 2023 Roza water supply forecast and diversion update

2023 diversions are scheduled to begin on Sunday March 19th. Deliveries will begin several days later as the canals are primed. Snow-Water Equivalent is currently 99% on the Yakima River mainstem arm and 85% of…

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Project Bid Information

Board Minutes

Contact Roza

Office Location:
125 S. 13th Street
Sunnyside, WA 98944


Mailing Address:
P.O. Box 810
Sunnyside, WA 98944

Office Phone:
Office Fax: 509.836.4807


Hours of Operation:
Monday - Friday
7:30 AM - 4:30 PM

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