2026 Water Supply
The Roza Irrigation District is actively planning for the 2026 irrigation season water supply.
Our team is currently working with the Roza Board of Directors on how best to manage the irrigation season.
The plan can change as conditions change. Please continue to visit our 2026 Drought Website for the most up to date information.
Roza April water forecast update & potential shutdown timing
Roza Water Users: USBR has issued an April water supply forecast of 52%, which is up from 44% in early…
Read MoreReservoir Drainage Basin map
Reservoir Drainage Basin Map 2026
Read MoreRoza drought year water supply facts & FAQ
Roza-Drought-Year-Water-Supply-Facts-FAQDownload
Read More2015 Drought and Agriculture – A Study by the Washington State Department of Agriculture
2015-WSDAg-Drought-Economic-Impact-ReportDownload
Read MoreProration schedule
Proration Schedule
Read MoreCalculating Days to run at Current Flow Rate
Calculating-Days-to-run-at-Current-Flow-RateDownload
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