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.
Miscellaneous Roza drought & fish info
Roza Water Users- Water that is used for flushing pulses or to aid up migrating adult salmon during low flow…
Roza shutdown schedule this week
Water Users- The shut down will allow 6,000 to 7,000 acre feet to be moved to later in the season.…
Reservoir Drainage Basin map
Reservoir Drainage Basin Map 2026
Roza drought year water supply facts & FAQ
Roza-Drought-Year-Water-Supply-Facts-FAQDownload
2015 Drought and Agriculture – A Study by the Washington State Department of Agriculture
2015-WSDAg-Drought-Economic-Impact-ReportDownload
Proration schedule
Proration Schedule
Calculating Days to run at Current Flow Rate
Calculating-Days-to-run-at-Current-Flow-RateDownload