Deteriorated conduits with holes can cause seepage
From ASDSO Dam Safety Toolbox
Message: Deteriorated conduits must be taken seriously.
In 2018, a large sinkhole was discovered in the back slope of Reser Dam. The outlet pipe is a deteriorated, corrugated metal pipe with holes. It is likely the holes in the outlet pipe are the source of the seepage that caused the sinkhole.
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Sinkhole in slope of dam
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Sinkhole in slope of dam
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Sinkhole in slope of dam
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Active seepage in sinkhole
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Active seepage coming from sinkhole
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Outlet conduit
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Outlet conduit and back slope of dam
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: 3147
Revision Date: 09/15/2022