11 AAC 93.177. Reporting of dam incidents

The owner or operator of a dam shall report to the department, on a form provided by the department, each incident involving the dam. For purposes of this section, incidents include one or more of the following events:

(1) the satisfactory or unsatisfactory performance of a dam during extreme loading periods caused by extraordinary seismic or hydrologic events;

(2) the uncontrolled release of water from a dam due to improper operation, overtopping, excessive seepage, or piping, regardless of whether downstream flooding occurs;

(3) indications of stress in structural features or appurtenant works that could potentially affect the structural or operational integrity of the dam;

(4) severe deterioration or erosion of structural elements or materials of construction, including concrete, steel, timber, soil, rock, geosynthetics, pipes, and valves;

(5) modifications or repairs to the dam required to satisfy regulatory requirements or other deficiencies that may be identified in the dam or the original design basis.

History: Eff. 10/2/2004, Register 171

Authority: AS 46.17.010

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