Basins

Green-Colorado basin

Name: Green-Colorado basin
Creator: The Watershed
Keywords: Green-Colorado basin, reservoir storage, river basin, Utah / Wyoming / Wyoming

Reservoir storage across Utah / Wyoming / Wyoming

Last updated Jun 18, 2026

Green-Colorado basin storage — acre-feet

2 tracked reservoirs holding 3.01M af combined.

Reservoir	Storage	As of
Flaming Gorge Reservoir	2.78M af	Jun 16, 2026
Fontenelle Reservoir	222,913 af	Jun 16, 2026