{"data":{"id":"us-tx/tex.-water-code-26.3476","jurisdiction":"us-tx","citation":"Tex. Water Code § 26.3476","heading":"SECONDARY CONTAINMENT REQUIRED FOR TANKS LOCATED OVER CERTAIN AQUIFERS.","body":"(a) In this section, \"secondary containment\" means a method by which a secondary wall or barrier is installed around an underground storage tank system in a manner designed to prevent a release of a regulated substance from migrating beyond the secondary wall or barrier before the release can be detected. A secondary containment system may include an impervious liner or vault surrounding a primary tank or piping system or a double-wall tank or piping system.\n(b) An underground storage tank system, at a minimum, shall incorporate a method for secondary containment if the system is located in:\n(1) the outcrop of a major aquifer composed of limestone and associated carbonate rocks of Cretaceous age or older; and\n(2) a county that:\n(A) has a population of at least 1.2 million and relies on groundwater for at least 75 percent of the county's water supply; or\n(B) has a population of at least 75,000 and is adjacent to a county described by Paragraph (A).\n(c) Section 26.3475(e) applies to an underground storage tank system that is subject to this section as if a violation of this section were a violation of Section 26.3475.\n(d) Notwithstanding Section 26.359(b), a political subdivision under this section may adopt standards for the containment of underground storage tank systems.\nAdded by Acts 2001, 77th Leg., ch. 965, Sec. 13.01, eff. Sept. 1, 2001.\nAmended by:\nActs 2023, 88th Leg., R.S., Ch. 644 (H.B. 4559), Sec. 279, eff. September 1, 2023.","path":["WATER CODE","TITLE 2. WATER ADMINISTRATION","SUBTITLE D. WATER QUALITY CONTROL","CHAPTER 26. WATER QUALITY CONTROL","SUBCHAPTER I. UNDERGROUND AND ABOVEGROUND STORAGE"],"source_url":"https://statutes.capitol.texas.gov/Docs/WA/htm/WA.26.htm#26.3476","current_through":"89th 2nd Called Legislative Session, 2025","vintage":"","retrieved_at":"2026-08-27T01:47:48Z","sha256":"ea5f8f4a5442def5b2b9ec1eef0c53b5e3115a228d2898b5a4165c4ef1b440b1","source_id":"us-tx","stale":false,"prev":"us-tx/tex.-water-code-26.3475","next":"us-tx/tex.-water-code-26.348"},"notice":"GroundRules: Original legal text. Not legal advice."}