Phone: 605.867.5236‍

Underground Storage Tanks

The US Environmental Protection Agency (EPA) implements the underground storage tank (UST) program in Indian Country. The EPA provides support to tribal governments to prevent and clean up petroleum releases from USTs. The Oglala Sioux Tribe receives UST program support and funds from the EPA in order to improve human health and the environment on our tribal lands by working on the following goals:

  • Educate owners and operators of USTs on safety and compliance with federal UST regulations
  • Prevent releases from USTs
  • Ensure releases are cleaned up and public health impact minimized
  • Collaborate and strengthen the relationship among OSTEPP, the EPA, and local owners and operators
The OST Underground Storage Tank program works with marketers and non-retail facilities that have USTs. Marketers include retail facilities such as gas stations and convenience stores that sell petroleum products. Non-retail facilities include those that do not sell petroleum products, but may rely on their own supply of gasoline or diesel for taxis, buses, limousines, trucks, vans, boats, heavy equipment, or a wide range of other vehicles. For more information on the EPA’s UST program in Indian Country, see Underground Storage Tanks (USTs) Program in Indian Country

Leaking Underground Storage Tanks Trust Fund

In 1986, Congress created the Leaking Underground Storage Tank (LUST) Trust Fund to address petroleum releases from federally regulated underground storage tanks (USTs) by amending Subtitle I of the Solid Waste Disposal Act. In 2005, the Energy Policy Act expanded eligible uses of the Trust Fund to include certain leak prevention activities. The LUST Trust Fund provides money to:

  • Oversee cleanups of petroleum releases by responsible parties;
  • Enforce cleanups by recalcitrant parties;
  • Pay for cleanups at sites where the owner or operator is unknown, unwilling, or unable to respond, or which require emergency action; and
  • Conduct inspections and other release prevention activities.

What is an Underground Storage Tank?

According to EPA, an Underground Storage Tank (UST) system is a tank and any underground piping connected to the tank that has at least 10 percent of its combined volume underground.

Let us know about possibly contaminated sites!

If you have seen an illegal dumpsite or other possible signs of contamination, please contact OST Brownfields Program in the OSTEPP office at (605) 867-5236 or by email at


Go to "Report Illegal Dumping!" page to Report →

Contact Info

Oglala Sioux Tribe Environmental Protection Program

PO BOX 2008 PINE RIDGE, SD 57770

Phone: 605-867-5236
Fax: 605-867-1845

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Report Illegal Dumping

Report illegal dumping, dumpsites or other possible signs of contamination, please contact us at (605) 867-5236 or by email at or Go to Report Illegal Dumping! page to Report.