WASHINGTON — The Environmental Protection Agency’s partnerships with tribal communities have brought a record number of underground storage tank sites back to productive use on tribal lands, the agency announced on Sept. 24.
The milestone reflects years of coordinated monitoring and remediation work between EPA and tribal environmental programs to address legacy fuel storage tank contamination that has polluted soil and groundwater across Indian Country, according to EPA.
Underground storage tank leaks — often from aging gas stations, fuel depots and heating oil systems — have contaminated tribal lands for decades. The leaked petroleum products seep into soil and groundwater, creating environmental and health hazards that persist until sites are professionally remediated.
Tribal communities often face disproportionate environmental contamination burdens and have historically lacked the resources to address legacy pollution on their own. Federal cleanup partnerships provide the technical expertise and funding necessary to bring contaminated sites through the full remediation process.
Sites returned to productive use can support tribal economic development, housing and community facilities. Transforming environmental liabilities into community assets has direct economic and quality-of-life benefits for tribal members.
The record achievement represents one of the clearest metrics EPA uses to track environmental cleanup progress. The agency measures success by counting sites that complete the full remediation pipeline — from initial assessment through cleanup to closure and return to productive use.
EPA’s Office of Underground Storage Tanks oversees the federal program, which provides grants, technical assistance and regulatory oversight to support cleanup on tribal lands. The program operates in partnership with tribal environmental departments that manage day-to-day monitoring and remediation activities.
The record year underscores a concrete federal commitment to environmental remediation in communities that have historically received limited environmental protection resources.