Every two years, the State of South Dakota is required to do an analysis of the impaired waterbodies throughout the state. Below are biennial reports of those analyses.
2024 Integrated Report
2022 Integrated Report
2020 Integrated Report
2018 Integrated Report
2016 Integrated Report
2014 Integrated Report
2012 Integrated Report
2010 Integrated Report
2008 Integrated Report
2006 Integrated Report
2004 Integrated Report
2002 - 303(d) List
1998 - 303(d) List