2026 Water Supply
Aug 21 Roza update
Roza Water Users- Scott Revell- District Manager, 509-840-2721
Read MoreMiscellaneous Roza drought & fish info
Roza Water Users- Water that is used for flushing pulses or to aid up migrating adult salmon during low flow periodsafter prorationing began on May 21st is roughly 17,000 acre feet. This water has been made available through federal and state funded water conservation projects. 67% of the saved water stays in the river in exchange for…
Read MoreReservoir Drainage Basin map
Reservoir Drainage Basin Map 2026
Read More2021 Roza Crop Census
Roza 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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