ASDSO Dam Safety Toolbox

Common Questions about Siphons

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Can a Siphon Replace an Outlet at My Dam?

The answer to the following 4 key questions must be YES:

  1. Is the dam small enough and at a low enough elevation so that the use of a siphon is physically possible?
  2. Will abandonment of the original outlet works not impact the reservoir's ability to pass the required inflow design storm (dictated by regulatory agencies)?
  3. Is there an alternate means to passively control reservoir level to prevent overfilling?
  4. Can the siphon reasonably be used for emergency drawdown if needed (in combination with pumps in some cases)?


Other Questions to Consider


References

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.