{ "@context": "https://schema.org", "@type": "WebPage", "headline": "Texas Septic System Licensing Law", "description": "Complete text of Texas septic system licensing law statutes \u2014 Texas Code.", "url": "https://texascontractorauthority.com/texas-septic-licensing-law", "inLanguage": "en-US", "publisher": { "@type": "Organization", "name": "Texas Contractor Authority", "url": "https://texascontractorauthority.com" }, "lastReviewed": "2026-04-07", "creativeWorkStatus": "Published", "isPartOf": { "@type": "WebSite", "name": "National Contractor Authority", "url": "https://nationalcontractorauthority.com" } }

Texas Septic System Licensing Law

Texas Code · 2 sections

The following is the full text of Texas’s septic system licensing law statutes as published in the Texas Code. For the official version, see the Texas Legislature.


Tex. TX WA Code § WA.26.344.

Sec. 26.344. EXEMPTIONS. (a) An underground or aboveground storage tank is exempt from regulation under this subchapter if the tank is: (1) a farm or residential tank with a capacity of 1,100 gallons or less used for storing motor fuel for noncommercial purposes; (2) used for storing heating oil for consumptive use on the premises where stored; (3) a septic tank; (4) a surface impoundment, pit, pond, or lagoon; (5) a storm water or waste water collection system; (6) a flow-through process tank; (7) a tank, liquid trap, gathering line, or other facility used in connection with an activity associated with the exploration, development, or production of oil, gas, or geothermal resources, or any other activity regulated by the Railroad Commission of Texas pursuant to Section 91.101, Natural Resources Code; or (8) a transformer or other electrical equipment that contains a regulated substance and that is used in the transmission of electricity, to the extent that such a transformer or equipment is exempted by the United States Environmental Protection Agency under 40 C.F.R. Part 280. (b) A storage tank is exempt from regulation under this subchapter if the sole or principal substance in the tank is a hazardous substance and the tank is located: (1) in an underground area, including a basement, cellar, mineworking, drift, shaft, or tunnel; and (2) on or above the surface of the floor of that area. (c) An interstate pipeline facility, including gathering lines, or an aboveground storage tank connected to such a facility is exempt from regulation under this subchapter if the pipeline facility is regulated under 49 U.S.C. Section 60101 et seq. and its subsequent amendments or a succeeding law. (d) An intrastate pipeline facility or an aboveground storage tank connected to such a facility is exempt from regulation under this subchapter if the pipeline facility is regulated under one of the following state laws: (1) Chapter 111, Natural Resources Code; (2) Chapter 117, Natural Resources Code; or (3) Subchapter E, Chapter 121, Utilities Code. (e) Except for Section 26.351 of this subchapter, in-ground hydraulic lifts that use a compressed air/hydraulic fluid system and hold less than 100 gallons of hydraulic oil, if exempt by the federal Environmental Protection Agency, are exempt under this subchapter. (f) An aboveground storage tank that is located at or is part of a petrochemical plant, a petroleum refinery, an electric generating facility, or a bulk facility as that term is defined by Section 26.3574(a) of this code is exempt from regulation under this subchapter but is not exempt for purposes of the fee imposed under Section 26.3574 of this code. (g) Costs incurred as a result of a release from a storage tank system owned, operated, or maintained by a common carrier railroad are not reimbursable pursuant to the provisions of this section. Common carrier railroads are exempt from the fees collected pursuant to the provisions of this Act.

Added by Acts 1987, 70th Leg., ch. 277, Sec. 1, eff. Sept. 1, 1987. Amended by Acts 1989, 71st Leg., ch. 228, Sec. 1, eff. May 31, 1989; Acts 1999, 76th Leg., ch. 62, Sec. 18.64, eff. Sept. 1, 1999. Amended by: Acts 2013, 83rd Leg., R.S., Ch. 1177 (S.B. 901), Sec. 13, eff. September 1, 2013.


Tex. TX WA Code § WA.7.176.

Sec. 7.176. VIOLATIONS RELATING TO HANDLING OF USED OIL. (a) A person commits an offense if the person: (1) intentionally discharges used oil into: (A) a sewer or septic tank; or (B) a drainage system, surface water or groundwater, a watercourse, or marine water unless the concentration of used oil in the waste stream resulting from the discharge as it enters water in the state is less than 15 parts per million following the discharge and the person is authorized to discharge storm water under a general permit issued under Section 26.040; (2) knowingly mixes or commingles used oil with solid waste that is to be disposed of in landfills or directly disposes of used oil on land or in landfills, unless the mixing or commingling of used oil with solid waste that is to be disposed of in landfills is incident to and the unavoidable result of the dismantling or mechanical shredding of motor vehicles, appliances, or other items of scrap, used, or obsolete metals; (3) knowingly transports, treats, stores, disposes of, recycles, causes to be transported, or otherwise handles any used oil within the state: (A) in violation of standards or rules for the management of used oil; or (B) without first complying with the registration requirements of Chapter 371, Health and Safety Code, and rules adopted under that chapter; (4) intentionally applies used oil to roads or land for dust suppression, weed abatement, or other similar uses that introduce used oil into the environment; (5) violates an order of the commission to cease and desist an activity prohibited by this section or a rule applicable to a prohibited activity; or (6) intentionally makes a false statement or representation in an application, label, manifest, record, report, permit, or other document filed, maintained, or used for purposes of program compliance. (b) It is an exception to the application of this section that a person unknowingly disposes into the environment any used oil that has not been properly segregated or separated by the generator from other solid wastes. (c) It is an exception to the application of Subsection (a)(2) that the mixing or commingling of used oil with solid waste that is to be disposed of in landfills is incident to and the unavoidable result of the dismantling or mechanical shredding of motor vehicles, appliances, or other items of scrap, used, or obsolete metals. (d) Except as provided by this subsection, an offense under this section is punishable under Section 7.187(1)(B) or Section 7.187(2)(F), or both. If it is shown on the trial of the defendant that the defendant has been previously convicted of an offense under this section, the offense is punishable under Section 7.187(1)(C) or Section 7.187(2)(H) or both.

Added by Acts 1997, 75th Leg., ch. 1072, Sec. 2, eff. Sept. 1, 1997. Amended by: Acts 2005, 79th Leg., Ch. 38 (S.B. 1299), Sec. 1, eff. September 1, 2005. Acts 2005, 79th Leg., Ch. 366 (S.B. 1297), Sec. 2, eff. September 1, 2005.


The law belongs to the people. Georgia v. Public.Resource.Org, 590 U.S. (2020)