US BUREAU OF RECLAMATION YAKIMA PROJECT SYSTEM STATUS AT 06:00, Thursday, 22-May-2025 FOREBAY TOTAL PERCENT RESERVOIR RESERVOIR RESERVOIR ELEVATION CONTENT CAPACITY CAPACITY INFLOW RELEASES -------------------------------------------------------------------------- FB AF AF % CFS CFS Keechelus 2485.60 87560. 157800. 55. 510. 802. Kachess 2238.75 140930. 239000. 59. 331. 39. Cle Elum 2202.19 270930. 436900. 62. 1255. 1255. Bumping 3421.79 28408. 33970. 84. 403. 496. Rimrock 2899.69 138259. 198000. 70. 672. 1054. Clear Cr 3011.34 TOTALS 666087. 1065400. 63. 3172. 3646. IRRIGATION DIVERSIONS RIVER FLOWS --------------------- CFS ----------- CFS Kittitas 629. Yakima River at Easton 350. Roza 0. Teanaway River at Forks 336. Yakima-Tieton 223. Yakima River near Horlick 1907. Wapato 1278. Yakima River near Umtanum 2311. Sunnyside 746. Yakima River blw Roza Dam 2003. MAJOR USERS TOTAL 2875. Naches River nr. Clf'Dell 1312. Tieton Rvr belw Cnl Hdwks 874. Westside 94. Naches River near Naches 3175. Naches-Selah 121. Yakima River near Parker 2344. OTHERS ABOVE PARKER 1202. Yakima River near Prosser 1581. TOTAL ABOVE PARKER 4292. ---------------------------- Kennewick 182. OTHER CANAL DIVERSIONS Wapatox 52. Roza at Headworks 72. No Generation, all panels down. Chandler 547. No Generation. UNREGULATED TRIBUTARY & RETURN FLOW ABOVE PARKER 2775. CFS OPERATIONAL COMMENTS: Storage is 73.1% of average (1991, 2020). --------------------- Please Note: The System went on pro-rationing MAY20. The current proration rate is 48% based on the May 16, TWSA. Storage Control has yet to be set, reservoir inflows are still building storage. Precipitation at the five reservoirs for MAY 1 to date is 4.65 inches, or 69% of average and 47% of the months average. Precipitation for the Water Year(OCT01 To MAY21)is 162.08 inches, or 80% of average. The Mountains will be partly sunny with a chance of showers. Highs in the 50's. The valleys will be mostly cloudy with a chance of showers becoming partly sunny this afternoon. Highs in the lower 70's. West wind 5-10 MPH becoming South this afternoon. For the complete forecast go to http://www.wrh.noaa.gov/pdt/. Keechelus will ramp down 160 CFS, Cle Elum will ramp down 500 CFS and Rimrock will ramp down 650 CFS. Kittitas Canal will add 20 CFS. No other System changes expected. Irrigation diversion changes must be coordinated with the YFO, Please allow 48 hours advance notice. Thank You! NRCS Snotel, SWE for the Upper Yakima Basin are reporting 42% of average and Naches Basin sites are at 62% of average. Data may not provide a representation of conditions. For further information contact the River Operator at 509-573-8112 or go to https://www.usbr.gov/pn/hydromet/yakima. The next River Ops meeting at YFO and via Teams, JUN 5 at 10:30 AM. Have a good day!!!!! (STATUS Updated - 22-May-2025 09:24:02)