Diversions will start at Roza Dam on Monday, March 16th.

Deliveries will begin a couple/few days later, starting with the upper end. Provided we don't have any unexpected problems.

Announcements and Important Notices

Roza March water supply forecast (44% supply) and drought variable info

Roza Water Users: The March water supply forecast is 44%. The low end forecast is 31% supply. The high end forecast is 68% supply.  The next water supply forecast will be issued on April 9,…

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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…

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2026 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…

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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:
509.837.5141
Office Fax: 509.836.4807

 

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

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