ASDSO Dam Safety Toolbox

Seepage and erosion around the conduit must be taken seriously

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Message: Seepage and erosion along conduit must be taken seriously.

It is very common for dams to have poor compaction around the conduit. Water can flow along the conduit when fractures form in regions of poorly-compacted, low-density fill material. Fractures lead to internal erosion and the development of a void along the conduit.

Content From Conduits through Embankment Dams (FEMA)

  • Evidence of seepage and erosion was visible during a April 2010 inspection of this Choteau County MT Dam

    Evidence of seepage and erosion was visible during a April 2010 inspection of this Choteau County MT Dam

  • Rehab didn’t occur soon enough – the dam failed in February 2011

    Rehab didn’t occur soon enough – the dam failed in February 2011


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: 4682
Revision Date: 12/02/2022

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