Category Monthly Report

YBSA Monthly Report January 2021

Storage: The 5 reservoirs are at 55% of capacity. Lake Cle Elum Reservoir, the largest reservoir, is 45% full. Snowpack in the Cascades, which provides the water for both instream flow and irrigation use, has snow water equivalent of 98%.…

YBSA Monthly Report December 2020

YBSA Monthly Report December 2020 Storage: The five reservoirs are at 46% of capacity which is just above normal for this time of year. For the last month, inflow of water into the reservoirs is greater than the amount released…

YBSA Monthly Report November 2020

Storage: Water stored in the 5 reservoirs is at 40% of capacity which is above average for this time of year. Lake Cle Elum Reservoir is being kept below normal so the fish passage facility can be completed. Agriculture: Another…

YBSA Monthly Report October 2020

YBSA Monthly Report October 2020 Storage: The 5 reservoirs are at average as of November 1st. Lake Cle Elum water is being kept low, so the multimillion dollar fish passage project is being erected. Salmon: Sockeye are spawning in greater…

YBSA Monthly Report September 2020

YBSA Monthly Report September 2020 Storage: The water in the 5 reservoirs in the Yakima River Basin are at 30% capacity. This is average for this time of year. Irrigation supply is enough to provide water until the irrigation systems…

YBSA Monthly Report August 2020

Storage: The 5 reservoirs in the Yakima Basin are at 48% full which is average for this time of year. With Rimrock Reservoir at 83% of capacity the procedure called flip-flop will begin in the first couple weeks of September.…

YBSA Monthly Report July 2020

Reservoir Storage: The 5 reservoirs are at 74% capacity which is average for this time of year. With the hot summer the reservoirs receive 120 cubic feet per second (cfs) and are releasing 5900 cfs for instream flow and out…

YBSA Monthly Report June 2020

YBSA Monthly ReportJune 2020 Storage: The 5 reservoirs are at 94% full. Water from the reservoirs is now being used to meet the need for instream flow and out-of-stream use (storage control). With the snowpack being depleted, storage will provide…

YBSA Monthy Report May 2020

Storage Content: The 5 reservoirs are at 93% capacity. Annually storage is where it should be for this time of year. Water Temperature Problems with Eastern Washington Rivers: Instream flow and warm water in the lower Yakima River is a…

YBSA Monthly Report April 2020

Storage: Reservoirs are at 70% capacity, which is a little less than average at this time of the year. The reservoirs (lake) are filling with water at a much faster rate than the amount of water being released. Snow water…