This is a clone of the Texas Administrative Code (TAC) for educational purposes. It is not the official version and should not be used for legal purposes. Site created Wed, 21 May 2025 21:16:52 GMT

Home > Title 30 > Part 1 > Chapter 217 >Subchapter K > Rule 217.272
TITLE 30 - ENVIRONMENTAL QUALITY
PART 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
CHAPTER 217 - DESIGN CRITERIA FOR DOMESTIC WASTEWATER SYSTEMS
SUBCHAPTER K - CHEMICAL DISINFECTION
SECTION/RULE §217.272 - Capacity and Sizing of Gaseous Chlorine Disinfection and Sulfur Dioxide Dechlorination Systems
Chapter Review Date 08/01/2024

(a) The capacity of a chlorine or a sulfur dioxide gas-withdrawal system must be based on the peak flow, in compliance with §217.32(a)(1) of this title (relating to Organic Loadings and Flows for New Wastewater Treatment Facilities) and Equation K.1. in Figure: 30 TAC §217.272(a).Attached Graphic(b) Table K.1. in Figure: 30 TAC §217.272(b) establishes the minimum acceptable design chlorine dosage for disinfection:Attached Graphic(c) At the point of dechlorination, a dechlorination system must provide at least one unit of sulfur dioxide gas for each unit of residual chlorine.

Source Note: The provisions of this §217.272 adopted to be effective August 28, 2008, 33 TexReg 6843; amended to be effective December 4, 2015, 40 TexReg 8254.

View Official Rule