(1) Purveyors must provide public notice as required under WAC 246-290-71001(1) according to Tier designation generally described in 40 C.F.R. 141.201. The form, manner, timing and frequency for each Tier of public notice, as defined in Table 2 of 40 C.F.R. 141.201 shall be in accordance with:

(a) 40 C.F.R. 141.202 for Tier 1 public notice.

(b) 40 C.F.R. 141.203 for Tier 2 public notice.

(c) 40 C.F.R. 141.204 for Tier 3 public notice.

(2) In addition, notice to new billing units and consumers must be given in accordance with 40 C.F.R. 141.206.

(3) Purveyors of community, NTNC and TNC systems shall provide notice as described in this subsection, or as described in a departmental order within three months of receipt of a departmental order, or a category red operating permit. The purveyor shall provide the department with a copy of the notice at the time the purveyor notifies the public.

(a) Purveyors of community and NTNC systems shall provide newspaper notice to water system users.

(i) "Newspaper notice," as used above, means publication in a daily newspaper of general circulation or in a weekly newspaper of general circulation if a daily newspaper does not serve the area. The purveyor may substitute a community or homeowner's association newsletter or similar periodical publication if the newspaper reaches all affected consumers within the specified time.

(ii) The purveyor shall substitute a posted notice in the absence of a newspaper of general circulation or homeowner's association newsletter or similar periodical publication. The purveyor shall post the notice within the time frame specified in this subsection.

(b) Purveyors of TNC systems shall post a notice or notify consumers by other methods authorized by the department for receipt of a red operating permit.

(c) The purveyor shall place posted notices in conspicuous locations and present the notices in a manner making them easy to read. Notices shall remain posted until the violation is corrected.

(d) The purveyor of a community or NTNC water system shall give a copy of the most recent public notice for all outstanding violations to all new billing units or new hookups before or at the time water service begins.