Old High Water Zone

Long-Term Experimental and Management Plan (2016 EIS)

Low Summer Steady Flow

Habitat Maintenance Flow

High Flow Experiment

Glen Canyon Environmental Studies Phase II

Glen Canyon Environmental Studies Phase I

Glen Canyon Environmental Studies, implemented in two stages: GCES 1 (1982-1987) and GCES 2 (1988-1996).

Periodic releases of water from Glen Canyon Dam designed to balance reservoir levels at Lake Powell and Lake Mead.

Environmental Impact Statement

Beach Habitat Building Flow

Area of Potential Effect [of dam operations]