(1) The department shall give public notice when issuing a DNS under WAC 197-11-350(2), a scoping notice under WAC 173-802-090, or a draft EIS under WAC 197-11-455.

(2) Whenever possible, the department shall integrate the public notice required under this section with existing notice procedures for the department's permit or approval required for the proposal.

(a) When more than one permit or approval required from the department has public notice requirements, the notice procedures that would reach the widest audience should be used, if possible.

(b) If the public notice requirements for the permit or approval must be completed at a specific time in the permitting process and that timing does not coincide with the timing requirements for SEPA public notice, the department must use one or more public notice methods in subsection (4) of this section.

(c) If there are no public notice requirements for any of the permits/approvals required for a proposal, the department must use one or more public notice methods in subsection (4) of this section.

(3) The department may require an applicant to perform the public notice requirement at his or her expense.

(4) The department shall use one or more of the following methods of public notice, taking into consideration the geographic area affected by the proposal, the size and complexity of the proposal, the public notice requirements for the permit or approval required from the department, public interest expressed in the proposal, and whether the proposal is a project or regulation:

(a) Mailing to persons or groups who have expressed interest in the proposal, that type of proposal, or proposals in the geographic area in which the proposal will be implemented if approved;

(b) Publication in a newspaper of general circulation in the area in which the proposal will be implemented; and/or

(c) Posting the property, for site-specific proposals.