Announcements and Important Notices
March 3rd Roza/water storage/snowpack update & WSDAg survey request
Roza Water Users- USBR’s hydrologists and our hydrologist tell us that Rimrock will still fill completely in 2026. The filling rate is tracked and managed daily very closely in Yakima, at the regional USBR office…
Read Full Notice2026 reservoir refill info
Outflows at Rimrock are in the process of being reduced to minimum target flows for fish because the atmospheric river this week didn’t hit the Rimrock drainage as much as was initially projected 10 days…
Read Full Notice2026 Roza drought planning for 35% and 45% water supply & historical comparison
The attached information was reviewed with the Roza Board this week. It includes 35% and 45% water supply scenarios in order to begin painting the picture for how the 2026 irrigation season could look without…
Read Full NoticeProject Bid Information
Board Minutes
Contact Roza
Contact Roza
Office Location:
125 S. 13th Street
Sunnyside, WA 98944
Mailing Address:
P.O. Box 810
Sunnyside, WA 98944
Office Phone:
509.837.5141
Office Fax: 509.836.4807
Hours of Operation:
Monday - Friday
7:30 AM - 4:30 PM
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