ASDSO Dam Safety Toolbox

Wet Tower with Spillway Splitter Wall No. 2

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Message: Dual chamber with an internal weir system with a slide gate has many advantages: it provides reservoir level control, ability to make releases, and provides protection from ice. There is a practical limit where construction of the internal divider is not feasible.


  • An inclined slide gate that had experienced years of trouble was replaced with a center control dual chamber system with a gate.

    An inclined slide gate that had experienced years of trouble was replaced with a center control dual chamber system with a gate.

  • After first fill, there was some seepage between chambers along joints in between precast sections. This was easily resolved with grout.

    After first fill, there was some seepage between chambers along joints in between precast sections. This was easily resolved with grout.

  • The owner of this dam and many others was quoted as saying “this is my favorite system to operate”.

    The owner of this dam and many others was quoted as saying “this is my favorite system to operate”.

  • The owner of this dam and many others was quoted as saying “this is my favorite system to operate”.

    The owner of this dam and many others was quoted as saying “this is my favorite system to operate”.


Note: The content on this page was originally created as part of DamOutletWorks.org (DOWL, 2018). It has subsequently been updated and reformatted as part of the Dam Safety Toolbox.
Revision ID: 4728
Revision Date: 12/02/2022

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