2023 Washington Code 77.55.281 – Fishways on certain agricultural drainage facilities

2022 Washington Code 77.55.281 – Fishways on certain agricultural drainage facilities

2020 Washington Code 77.55.281 – Fishways on certain agricultural drainage facilities

2019 Washington Code 77.55.281

2018 Washington Code 77.55.281 – Fishways on certain agricultural drainage facilities

2016 Washington Code 77.55.281 – Fishways on certain agricultural drainage facilities

2015 Washington Code 77.55.281 – Fishways on certain agricultural drainage facilities

2014 Washington Code 77.55.281 – Fishways on certain agricultural drainage facilities

2013 Washington Code 77.55.281 – Fishways on certain agricultural drainage facilities

2009 Washington Code 77.55.281 – Fishways on certain agricultural drainage facilities