(1) The department of transportation may increase the recreational vehicle sanitary disposal fee charged under RCW 46.17.375 as authorized in RCW 43.135.055 by a percentage that exceeds the fiscal growth factor. After consultation with citizen representatives of the recreational vehicle user community, the department of transportation may implement RV account fee adjustments no more than once every four years. RV account fee adjustments must be preceded by an evaluation of the following factors:

(a) Maintenance of a self-supporting program;

(b) Levels of service at existing recreational vehicle sanitary disposal facilities;

(c) Identified needs for improved recreational vehicle service at safety rest areas statewide;

(d) Sewage treatment costs; and

(e) Inflation.

(2) If the department of transportation chooses to adjust the RV account fee, it shall notify the department of licensing six months before implementation of the fee increase. Adjustments in the RV account fee must be in increments of no more than fifty cents per biennium.

Effective date—Intent—Legislation to reconcile chapter 161, Laws of 2010 and other amendments made during the 2010 legislative session—2010 c 161: See notes following RCW 46.04.013.