Lessons Learned

Site security is a critical aspect of dam safety that shouldn’t be overlooked or disregarded.

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Stability of the dam foundation and other geologic features must be considered during dam design.

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Static liquefaction should be considered as a potential failure mode for dams that have loose sands or silts in their embankments or foundations.

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The first filling of a reservoir should be planned, controlled, and monitored.

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The hazard classification of a dam can change over time (hazard creep).

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The study of past incidents and failures aids in the assessment of existing dams.

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Timely warning and rapid public response are critical to saving lives during a dam emergency.

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Uncontrolled vegetation on and around dams can hinder inspection and lead to serious structural damage, significant maintenance costs, and possible failure.

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