(1) The department shall:
(a) notify the owner in writing within 10 days of receipt that an application has been received and advise the owner of any additional information required to complete the application;
(b) arrange for a field investigation with the dam owner to gather data or information to make a hazard determination;
(c) classify the hazard of the dam or reservoir based on the application, the site inspection, and evaluation of the potential flooded area caused by a dam failure; and
(d) notify the owner in writing of the hazard classification determination within 60 days of receipt of a complete application.