42 USC § 6991g - State authority

---
identifier: "/us/usc/t42/s6991g"
source: "usc"
legal_status: "official_prima_facie"
title: "42 USC § 6991g - State authority"
title_number: 42
title_name: "THE PUBLIC HEALTH AND WELFARE"
section_number: "6991g"
section_name: "State authority"
chapter_number: 82
chapter_name: "SOLID WASTE DISPOSAL"
subchapter_number: "IX"
subchapter_name: "REGULATION OF UNDERGROUND STORAGE TANKS"
positive_law: false
currency: "119-84"
last_updated: "2026-04-17"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(Pub. L. 89–272, title II, § 9008, as added Pub. L. 98–616, title VI, § 601(a), Nov. 8, 1984, 98 Stat. 3286; amended Pub. L. 99–499, title II, § 205(g), Oct. 17, 1986, 100 Stat. 1702.)"
---


# § 6991g. State authority

Nothing in this subchapter shall preclude or deny any right of any State or political subdivision thereof to adopt or enforce any regulation, requirement, or standard of performance respecting underground storage tanks that is more stringent than a regulation, requirement, or standard of performance in effect under this subchapter or to impose any additional liability with respect to the release of regulated substances within such State or political subdivision.

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**Source Credit**: (Pub. L. 89–272, title II, § 9008, as added Pub. L. 98–616, title VI, § 601(a), Nov. 8, 1984, 98 Stat. 3286; amended Pub. L. 99–499, title II, § 205(g), Oct. 17, 1986, 100 Stat. 1702.)

## Editorial Notes

### Amendments

1986— amended section generally. Prior to amendment, section read as follows: “Nothing in this subchapter shall preclude or deny any right of any State or political subdivision thereof to adopt or enforce any regulation, requirement or standard of performance respecting underground storage tanks that is more stringent than a regulation, requirement, or standard of performance in effect under this subchapter.”