Versions of Montana Code > Title 37 > Chapter 42 > Part 2 - Water and Wastewater Operators\' Advisory Council on LawServer 2023 Montana Code > Title 37 > Chapter 42 > Part 2 – Water and Wastewater Operators’ Advisory Council 2022 Montana Code > Title 37 > Chapter 42 > Part 2 – Water and Wastewater Operators’ Advisory Council 2021 Montana Code > Title 37 > Chapter 42 > Part 2 – Water and Wastewater Operators’ Advisory Council 2019 Montana Code > Title 37 > Chapter 42 > Part 2 – Water and Wastewater Operators’ Advisory Council 2018 Montana Code > Title 37 > Chapter 42 > Part 2 – Water and Wastewater Operators’ Advisory Council 2016 Montana Code > Title 37 > Chapter 42 > Part 2 – Water and Wastewater Operators’ Advisory Council 2014 Montana Code > Title 37 > Chapter 42 > Part 2 – Water and Wastewater Operators’ Advisory Council 2013 Montana Code > Title 37 > Chapter 42 > Part 2 – Water and Wastewater Operators’ Advisory Council 2009 Montana Code Title 37 > Chapter 42 > Part 2 – Water and Wastewater Operators’ Advisory Council