AS 46.17.050

At least once every five years the department shall inspect every dam and reservoir that is subject to this chapter. The department may require the owner of a dam or reservoir to perform the required inspection, according to the department's inspection standards, using a qualified engineer approved by the department. To protect public safety, the department may inspect, or may require the owner to inspect, a dam or reservoir more frequently than every five years. The department may require the owner of the dam or reservoir to pay the cost of an inspection under this section.