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Worthville Dam Incident Randleman, NC

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Worthville Dam Incident Randleman, NC. 6/16/2013. Timeline. 13:05 – 9-1-1 caller reported “water gushing through a large hole” in the bottom of the dam, and several people were swimming around it. Law enforcement responded.

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Presentation Transcript
timeline
Timeline
  • 13:05 – 9-1-1 caller reported “water gushing through a large hole” in the bottom of the dam, and several people were swimming around it. Law enforcement responded.
  • 20:38 – 9-1-1 caller reported a dam had structural damage and was possibly in danger of collapsing. Fire Department/EM responded.
  • 21:07 – State EOC notified.
  • 00:15 – DENR Inspector on Scene
size up situation
Size Up - Situation
  • Water was gushing from the bottom of the dam.
  • Water level above dam was dropping at an estimated rate of 3”-5” per hour.
  • Water level was down approximately 2’-3’ upon EM arrival.
size up the dam
Size Up – The Dam

22 surface acres of water behind the dam

20’ tall

83 acre/ft = 3.6 million cubic ft

230’ long

size up downstream1
Size Up – Downstream

0.7 miles downstream.

size up downstream2
Size Up – Downstream

1.6 miles downstream.

denr expertise
DENR Expertise

50% water

50% silt

where are the hazards
Where are the hazards?
  • 204 dams recognized in Randolph County.
  • 56 listed as high/intermediate hazard.
  • Only 4 have EAP’s.
  • 5,646 dams recognized in North Carolina.
what to do to be ready er
What to Do to Be Ready(er)

THE BASICS

  • Identify dam’s in your jurisdiction
  • Work with GIS
  • Identify potential problematic locations downstream in a worst case scenario.

EXTRA CREDIT

  • Photograph and file
  • Work with dam owners and encourage EAPs.
  • Build predetermined layers for mass notification systems.
resources
Resources

NCDENR Land Quality Dam Program

http://portal.ncdenr.org/web/lr/dams

DamSafetyAction.org

http://www.damsafetyaction.org/NC/index.php

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