Green Mountain Reservoir water level today
Storage at Green Mountain Reservoir in the Colorado River basin (Division 5), from Colorado DWR's daily reading.
About Green Mountain Reservoir
Green Mountain Reservoir is one of the 10 reservoirs BasinMind follows in the Colorado River basin, Division 5 of Colorado's seven water divisions. BasinMind's registry lists its operator as USBR (C-BT). Its recorded capacity is 154,645 acre-feet, the third-largest of the 10 and 12% of the capacity BasinMind tracks in the division.
On October 3, 2026 it held 16,514 acre-feet, 11% of that capacity, with room for about 138,131 acre-feet more. Over the seven days before, storage fell by 406 acre-feet. Taken together, the division's reservoirs with a current reading stood at 45% of capacity (554,790 of 1,236,931 acre-feet).
Daily storage comes from the Colorado Division of Water Resources, DWR station GRERESCO; the official record is on that station's page. The nearest stream gauge BasinMind reads is Blue River below Green Mountain Reservoir, about 1 miles away in a straight line.
An acre-foot is the water that would cover one acre a foot deep, about 325,851 gallons; percent full compares storage with recorded capacity, not with what is normal for the date (cfs and acre-feet).
Other reservoirs in the Colorado River basin
- Lake Granby · 49% full
- Dillon Reservoir · 64% full
- Ruedi Reservoir · 38% full
- Williams Fork Reservoir · 26% full
- Wolford Mountain Reservoir
- Homestake Reservoir · 41% full
- Shadow Mountain Reservoir · 92% full
- Rifle Gap Reservoir · 12% full
- Willow Creek Reservoir · 63% full
Stream gauges in the Colorado River basin
- Colorado River near Cameo
- Colorado River near Colorado-Utah State Line
- Colorado River above Gunnison River at Grand Junction
- Colorado River below Glenwood Springs
- Colorado River near Dotsero
- Colorado River near Kremmling
- Colorado River at Windy Gap near Granby
- Colorado River below Lake Granby