What Happened?

If you own or operate an underground fuel tank in Nevada, the federal rulebook will now list the state's 2021 tank program, with no new requirements beyond Nevada law. That update to the Nevada underground storage tank rules ends a gap in which the federal listing showed only the state's original 1992 approval. ​

The U.S. Environmental Protection Agency (EPA) published the direct final rule, a rule that takes effect without a new round of review unless someone objects, on Oct. 22, according to a Legis1 review of the Federal Register notice, Nevada: Codification and Incorporation by Reference of Approved Underground Storage Tank Program.

The rule changes the federal listing in three ways:

  • Revision added: The entry now records that the state's revised program won final approval Sept. 30, 2021, and took effect Nov. 29, 2021.
  • Cleanup authority: EPA's retained powers now include corrective action (ordering cleanup of leaks), alongside inspection and enforcement.
  • Enforceable list: A new Nevada entry names the specific state water-control and hazardous-materials rules that EPA can enforce federally.

Why Does it Matter to Me?

EPA says the action "does not impose additional requirements other than those imposed by Nevada law." The agency also reports no new costs, savings or transfers from the rule.

Nevada's revised program has operated under EPA approval since Nov. 29, 2021. The federal listing, last updated July 17, 1998, has reflected only the 1992 approval since then.

Some Nevada provisions go further than the federal program, including the state's petroleum cleanup fund and state-only fees. Those stay outside the federally approved program, and Nevada keeps enforcing them under state law.

Both Sides, Now

EPA, a federal executive agency, issued the rule. It says the purpose is "to substantially enhance the public's ability to discern the status of the approved State UST programs and State requirements that can be federally enforced." EPA also certifies the action has no significant economic impact on a substantial number of small entities.

The concern raised by those watching tank oversight is that leaking tanks can contaminate soil and groundwater. A Government Accountability Office report, released Feb. 22, 2007, said so and examined whether public cleanup funds were used effectively.

Nelson Remediation, a cleanup company, reported on Aug. 22, 2026, that Nevada had 166 open hydrocarbon releases across 17 counties. Forty-one were reported before 2000 and remain unresolved. The company's page does not establish that all of them came from underground tanks.

What Happens Next?

Anyone who objects can file an adverse comment, meaning an objection to the rule, at regulations.gov under docket ID EPA-R09-UST-2025-0703. The deadline is Nov. 23. If EPA receives one, it will publish a withdrawal in the Federal Register.

If no adverse comment arrives by Nov. 23, the rule takes effect Dec. 21.

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