2023 Washington Code 43.21A.660 – Freshwater aquatic weeds management program

2022 Washington Code 43.21A.660 – Freshwater aquatic weeds management program

2020 Washington Code 43.21A.660 – Freshwater aquatic weeds management program

2019 Washington Code 43.21A.660 – Freshwater aquatic weeds management program

2018 Washington Code 43.21A.660 – Freshwater aquatic weeds management program

2016 Washington Code 43.21A.660 – Freshwater aquatic weeds management program

2015 Washington Code 43.21A.660 – Freshwater aquatic weeds management program

2014 Washington Code 43.21A.660 – Freshwater aquatic weeds management program

2013 Washington Code 43.21A.660 – Freshwater aquatic weeds management program

2009 Washington Code 43.21A.660 – Freshwater aquatic weeds management program