The purpose of this chapter is to establish standards for chemigation and fertigation that are protective of existing and future uses of surface water and groundwater quality.
[Statutory Authority: RCW 17.21.030, 15.58.040(2), and 15.54.800(2). WSR 25-22-066, s 16-202-100, filed 10/31/25, effective 12/1/25.]