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Table 2. Guidance for Determining the Emergency Level <br /> Event Situation Emergency <br /> Level <br /> Spring run-off or major storm event 3 <br /> High Flow Spillway flow that threatens to flood people downstream 2 <br /> Spillway flow that is flooding people downstream 1 <br /> Fuse Plug Reservoir level is 1 foot below either of the fuse plugs 2 <br /> Overtopping Water from the reservoir is flowing over either of the fuse plugs 1 <br /> New seepage areas in or near the dam 3 <br /> Seepage New seepage areas with cloudy discharge 2 <br /> Seepage with cloudy discharge; increasing flow rate 1 <br /> Observation of new sinkhole in reservoir area or on embankment 2 <br /> Sinkholes —Rapidly enlarging sinkhole 1 <br /> Structural New cracks in the structure greater than 1/4-inch wide without seepage 3 <br /> Cracking Cracks in the structure with seepage 2 <br /> Structural component deformation 1 <br /> Structural Displacement of dam 1 <br /> Failure <br /> Gate failure or malfunction 1 <br /> Embankment Visual movement/slippage of the embankment slope component 2 <br /> Movement Sudden or rapidly proceeding slides of the embankment slopes 1 <br /> Verified bomb threat that, if carried out, could result in damage to the 2 <br /> dam <br /> Security Threat — <br /> Detonated bomb that has resulted in damage to the dam or 1 <br /> appurtenances <br /> Unauthorized operation of the dam 3 <br /> Damage to dam or appurtenance with no impacts to the functioning of 3 <br /> the dam <br /> Sabotage or Modification to the dam or appurtenances that could adversely impact 2 <br /> Vandalism the functioning of the dam <br /> Damage to dam or appurtenances that has resulted in seepage flow 2 <br /> Damage to dam or appurtenances that has resulted in uncontrolled 1 <br /> water release <br /> June 6, 2014 Page 8 <br /> 52 <br />