Laserfiche WebLink
Lamar County Multi- jurisdictional Hazard Mitigation Plan <br />Chapter Three <br />Hazard Profile Work Sheet <br />Hazard : Dam or Barrier Failure <br />POTENTIAL SEVERITY OF IMPACT <br />SUBSTANTIAL - Multiple Deaths <br />- Complete shutdown of facilities for 30 days or more <br />- More than 50% of property destroyed or with major damage <br />MAJOR - Injuries and /or illnesses result in permanent disability <br />- Complete shutdown of critical facilities for at least 2 weeks <br />X - More than 25% of property destroyed or with major damage <br />MINOR - Injuries and /or illnesses do not result in permanent disability <br />- Complete shutdown of critical facilities for at least 1 week <br />- More than 10% of property destroyed or with major damage <br />LIMITIED - Injuries and /or illnesses that are treatable with first aid <br />- Minor quality of life lost <br />- Shutdown of critical facilities and services for 24 hours or less <br />- Less than 10% of property destroyed or with major damage <br />FREQUENCY OF OCCURANCE SEASONAL PATTERN(S) <br />Highly Likely: Event probable in the next yr. Winter and Early Spring <br />Likely: Event probable in the next 3 yrs. <br />Occasional : Event possible in next 5 yrs. <br />_X_ Unlikely : Event possible in next 10 yrs. <br />SOURCE DOCUMENTS: <br />National Inventory of Dams (NID), State Hazard Mitigation Plan, and National Resources and <br />Conservation Service (NRCS), <br />PROBABLE DURATION: <br />Duration can vary from a few hours to days depending on the size and type of breach. <br />_X Less than 6 hours <br />_ 6 to 12 hours <br />_ 12 to 24 hours <br />more than 24 hours <br />WARNING TIME (potential speed of onset): <br />CASCADING POTENTIAL: <br />A dam failure could cause mass flooding, damage to crops and structures destroyed. <br />Existing Warning System(s): <br />Local news media and door to door evacuation if needed. <br />130 <br />