| Texas Administrative Code |
| TITLE 30 | ENVIRONMENTAL QUALITY |
| PART 1 | TEXAS COMMISSION ON ENVIRONMENTAL QUALITY |
| CHAPTER 217 | DESIGN CRITERIA FOR DOMESTIC WASTEWATER SYSTEMS |
| SUBCHAPTER E | PRELIMINARY TREATMENT UNITS |
Rules
| §217.120 | General Preliminary Treatment Requirements |
| §217.121 | Coarse Screens |
| §217.122 | Fine Screening Devices |
| §217.123 | Screenings and Debris Handling |
| §217.124 | Grit Removal Systems |
| §217.125 | Grit Chambers |
| §217.126 | Grit Handling |
| §217.127 | Pre-aeration Units |
| §217.128 | Flow Equalization Basins |
| §217.129 | Primary Clarifiers |
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