South Dakota UST Directory

South Dakota manages 3,155 registered underground storage tank (UST) facilities, comprising 2,788 active tanks and 7,186 closed tanks. Despite efforts to prevent leaks, the state has documented 3,963 leaking underground storage tank (LUST) release sites. Of these, 186 releases are currently classified as "Open," indicating ongoing cleanup requirements to mitigate environmental impact.

The potential for contamination from USTs highlights the critical importance of continuous monitoring, thorough environmental due diligence, and robust groundwater protection strategies. Data on UST facilities and releases, such as that used here, is often sourced from programs like the EPA UST Finder. While releases are a concern statewide, specific cities show varying profiles; for example, Sioux Falls has 338 facilities with 0 releases, Rapid City has 240 facilities with 0 releases, Aberdeen has 108 facilities with 0 releases, Watertown has 86 facilities with 0 releases, and Mitchell has 73 facilities with 0 releases, according to the provided facility counts.