This page was last updated September 4, 2018 - 4:45 p.m.

General information about Alamo Dam and the Bill Williams River is available on the US Army Corps of Engineers Alamo Dam webpage .

Alamo Dam Water Control Plan Update

The Corps is commencing a process to update the Alamo Dam Water Control Plan. Additional information about the update is available at

Alamo Dam Release March 2018

The US Army Corps of Engineers (Corps) released water from Alamo Dam from March 12 – 29, 2018 based on this Environmental Assessment (EA) and Finding of No Significant Impact (FONSI). Below is the US Army Corps’ planned hydrograph for the March 2018 release from Alamo Dam. CAP has added measured flow readings from the USGS stream gage on the Bill Williams River (below Alamo Dam) to this hydrograph (shown in orange).

5 24 18 Final Alamo Discharge Hydrograph