Texas Administrative Code
Title 30 - ENVIRONMENTAL QUALITY
Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
Chapter 217 - DESIGN CRITERIA FOR DOMESTIC WASTEWATER SYSTEMS
Subchapter G - FIXED FILM AND FILTRATION UNITS
Section 217.187 - Dual Treatment Utilizing Rotating Biological Contactors
Current through Reg. 50, No. 13; March 28, 2025
(a) A rotating biological contactor (RBC) may be used in conjunction with other treatment as a dual treatment system.
(b) An RBC may be used as a roughing unit, as described in § 217.182(b)(1) of this title (relating to Trickling Filters--General Requirements, regarding trickling filter classifications), in series with an activated sludge system.
(c) The engineering report must include supporting data, calculations, process descriptions, and vendor information to describe how a proposed RBC system will meet the permitted effluent limitations.
(d) Combined systems may be subject to the requirements of § 217.7(b)(2) of this title (relating to Types of Plans and Specifications Approvals).