(1) The comprehensive county solid waste management plans and any comprehensive city solid waste management plans prepared in accordance with RCW
70A.205.040 shall be maintained in a current condition and reviewed and revised periodically by counties and cities as may be required by the department. Upon each review such plans shall be extended to show long-range needs for solid waste handling facilities for twenty years in the future, and a revised construction and capital acquisition program for six years in the future. Each revised solid waste management plan shall be submitted to the department.
Each plan shall be reviewed and revised within five years of July 1, 1984, and thereafter shall be reviewed, and revised if necessary according to the schedule provided in subsection (2) of this section.
(2) Cities and counties preparing solid waste management plans shall submit the waste reduction and recycling element required in RCW
70A.205.045 and any revisions to other elements of its comprehensive solid waste management plan to the department no later than:
(a) July 1, 1991, for class one areas: PROVIDED, That portions relating to multiple-family residences shall be submitted no later than July 1, 1992;
(b) July 1, 1992, for class two areas; and
(c) July 1, 1994, for class three areas.
Thereafter, each plan shall be reviewed and revised, if necessary, at least every five years. Nothing in chapter 431, Laws of 1989 shall prohibit local governments from submitting a plan prior to the dates listed in this subsection.
(3) The classes of areas are defined as follows:
(a) Class one areas are the counties of Spokane, Snohomish, King, Pierce, and Kitsap and all the cities therein.
(b) Class two areas are all other counties located west of the crest of the Cascade mountains and all the cities therein.
(c) Class three areas are the counties east of the crest of the Cascade mountains and all the cities therein, except for Spokane county.
(4) Cities and counties shall begin implementing the programs to collect source separated materials no later than one year following the adoption and approval of the waste reduction and recycling element and these programs shall be fully implemented within two years of approval.