2024 Texas Water Code 16.012 – Studies, Investigations, Surveys

2023 Texas Water Code 16.012 – Studies, Investigations, Surveys

2022 Texas Water Code 16.012 – Studies, Investigations, Surveys

2019 Texas Water Code 16.012 – Studies, Investigations, Surveys

2018 Texas Water Code 16.012 – Studies, Investigations, Surveys

2016 Texas Water Code 16.012 – Studies, Investigations, Surveys

2014 Texas Water Code 16.012 – Studies, Investigations, Surveys

2011 Texas Water Code 16.012 – Studies, Investigations, Surveys

2009 Texas Water Code 16.012 – Studies, Investigations, Surveys

2008 Texas Water Code 16.012 – Studies, Investigations, Surveys