Small Business Economic Impact Statement: Hydraulic Code Rules Chapter 220-660 WAC - 2019 HPA Suction Dredge Rule Making

This proposal requires standard Hydraulic Project Approval permits for use of suction dredge, dryland dredge, and suction dredge/highbanking combination equipment for mineral prospecting and mining, establishes reporting requirements for that use, and requires equipment decontamination to prevent the spread of aquatic invasive species.