2023 Idaho Code 39-3603 – Antidegradation Policy and Implementation

2022 Idaho Code 39-3603 – Antidegradation Policy and Implementation

2021 Idaho Code 39-3603 – Antidegradation Policy and Implementation

2019 Idaho Code 39-3603 – Antidegradation Policy and Implementation

2018 Idaho Code 39-3603 – Antidegradation Policy and Implementation

2016 Idaho Code 39-3603 – Antidegradation Policy and Implementation

2014 Idaho Code 39-3603 – Antidegradation Policy and Implementation

2010 Idaho Code 39-3603 – General Water Quality Standard And Antidegradation Policy