Show I Climbs The Bureau or of Reclamations Reclamation's forecast for tor runoff from the Colorado River watershed April through July increased slightly during May but is still less than half of the longtime average for this period A FORECAST or of 39 million feet acre ot of runoff for April April- July based on June l 1 water supply supply sup sup- ply over the watershed is 46 million acre feet below the longtime average and 79 million mil mU- lion llon acre feet below last years year's bumper water yield The June 1 forecast Is feet acre higher than that of May 1 The record low runoff for this perIod was 22 million feet acre in 1934 or 17 million feet acre below this years year's June 1 forecast forecast fore fore- cast and 63 million acre feet below the time long average BASED ON the June 1 forecast fore fore- forecast cast runoff of 87 million acre acre- feet teet for tor the water year ear ding next Sept 30 is indicated This amounts to about tv thirds of the longtime average water year runoff of acre feet The below average runoff this year however augmented by last years year's water yield from the watershed will ass assure u r e maintenance of all major Bureau Bureau Bur Bur- eau of Reclamation reservoirs on the Ule Colorado River system at operational levels RESERVOIRS on the Colorado River system at present have havea a combined storage of 3 07 million mil mU- lion acre feet 82 per cent of which is held in the streams stream's largest lakes Mead behind Hoover Dam and Powell back backof of Glen Canyon Dam Lake Mead is at elevation ion 1133 feet above mean sea level level lev- lev el or ten feet above its rated operating head The reservoir contains million acre tee I ot of water or 57 per cent ot of its capacity The reservoir will be beheld beheld held at or above its rated head LAKE POWELL tilling since March 1963 is at elevation feet above mean sea level leveland leveland and contains 95 million acre acre- feet ot of storage Lake Mead and Lake Powell are 23 feet teet and 53 feet hIgher respectively than at thIs time last year Lake Powell now contains 3 million feet acre above the minimum minimum min min- power operating level Power operations during the talland falland tall fall and winter should cause the reservoir reservoir res- res to recede about 2 million acre feet to elevation feet by March larch of 1967 FLAMING GORGE Reservoir is now near its seasonal peak elevation and will decline about 17 feet by the end of March 1967 just prior to the runoff period The level ot of Fontenelle Reservoir Reservoir Res- Res will be retained at approximately apI ap- ap proximately acre tep f I I I fl storage throughout the k f year while repairs to thee and stilling basin are in ress RELEASES AT Navajo Ro Res j will be restricted to b r. r minimum required for dot daD 9 stream uses This I the reservoir to rise throughout the summer I elevation feet teet by the ed J ot of August Reservoir levels at Blue Mesa are still rising reach about fet acre ot of storage this month There Therel 1 1 after the reservoir should drop slightly through the tall fall and 2nd i winter to a seasonal minima In March of 1967 I i i |