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Dam Hazards Classification
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Hazard Classification Description Quantitative Guidelines
Low Interruption of road service, low volume roads Less than 25 vehicles per day
Economic damage Less than $30,000
Intermediate Damage to highways, Interruption of service 25 to less than 250 vehicles per day
Economic damage $30,000 to less than $200,000
High Loss of human life* Probable loss of 1 or more human lives
Economic damage More than $200,000
*Probable loss of human life due to breached roadway or bridge on or below the dam. 250 or more vehicles per day
NOTE: Cost of dam repair and loss of services should be included in economic loss estimate if the dam is a publicly owned utility, such as a municipal water supply dam.
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North Carolina Division of Land Resources - 1612 Mail Service Center, Raleigh, NC 27699-1612    919-733-3833
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