Deterioration Accelerates with Time
From ASDSO Dam Safety Toolbox
Message: Deterioration of CMP does not occur at the same rate. Experience has shown us that the deterioration accelerates with time.
An inspection in 1999 showed this pipe to be in relatively good condition. 15 years later the pipe was completely corroded and failed.
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Powell County, MT dam CMP in 1999, no holes, pipe in relatively good shape
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Powell County, MT Dam in 2014, following piping failure along side outlet
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: 4664
Revision Date: 12/02/2022