2023 Washington Code 57.04.120 – Sewerage improvement districts located in counties with populations of from forty thousand to less than seventy thousand become sewer districts

2022 Washington Code 57.04.120 – Sewerage improvement districts located in counties with populations of from forty thousand to less than seventy thousand become sewer districts

2020 Washington Code 57.04.120 – Sewerage improvement districts located in counties with populations of from forty thousand to less than seventy thousand become sewer districts

2019 Washington Code 57.04.120

2018 Washington Code 57.04.120 – Sewerage improvement districts located in counties with populations of from forty thousand to less than seventy thousand become sewer districts

2016 Washington Code 57.04.120 – Sewerage improvement districts located in counties with populations of from forty thousand to less than seventy thousand become sewer districts

2015 Washington Code 57.04.120 – Sewerage improvement districts located in counties with populations of from forty thousand to less than seventy thousand become sewer districts

2014 Washington Code 57.04.120 – Sewerage improvement districts located in counties with populations of from forty thousand to less than seventy thousand become sewer districts

2013 Washington Code 57.04.120 – Sewerage improvement districts located in counties with populations of from forty thousand to less than seventy thousand become sewer districts

2009 Washington Code 57.04.120 – Sewerage improvement districts located in counties with populations of from forty thousand to less than seventy thousand become sewer districts