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Current Water Supply Conditions
February 13, 2018
Last week, 2.51 inches and 3.72 inches of precipitation were recorded in our Cedar River and South Fork Tolt River watersheds, respectively. Snowpack is below the long-term average for time of the year. Snowpack in our mountain watersheds typically reach peak accumulations around the first week of April.
Chester Morse Lake at the Overflow Dike was at elevation 1559.8 feet, about 3.3 feet higher than last week, and about 8.9 feet above its long-term average (based on the years 1985 to 2014). Masonry Pool Reservoir at Masonry Dam was at elevation 1559.7 feet, about 3.3 feet higher than last week, and about 11.3 feet above its long-term average. The South Fork Tolt Reservoir at the South Fork Tolt Dam was at elevation 1762.5 feet, about 0.4 feet lower than last week, and about 8.1 feet above its long-term average. Water releases from reservoir storage are actively being managed for water supply, hydropower, fish habitat and flood management objectives for both the Cedar and South Fork Tolt Rivers.
Water consumption for the previous seven days averaged approximately 100 million gallons per day (mgd). That is lower than the 102 mgd consumed during the same period last year, and less than the average of 111 mgd used during the same period over the years 1999-2014.