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Texas Administrative Code (Last Updated: March 27,2024) |
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TITLE 30. ENVIRONMENTAL QUALITY |
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PART 1. TEXAS COMMISSION ON ENVIRONMENTAL QUALITY |
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CHAPTER 217. DESIGN CRITERIA FOR DOMESTIC WASTEWATER SYSTEMS |
| SUBCHAPTER A. ADMINISTRATIVE REQUIREMENTS |
| § 217.1. Applicability |
| § 217.2. Definitions |
| § 217.3. Purpose |
| § 217.4. Variances |
| § 217.5. Plans and Specifications General Requirements |
| § 217.6. Submittal Requirements and Review Process |
| § 217.7. Types of Plans and Specifications Approvals |
| § 217.8. Municipality Reviews |
| § 217.9. Texas Water Development Board Reviews |
| § 217.10. Final Engineering Report |
| § 217.11. Construction of an Approved Facility |
| § 217.12. Substantial Design Changes |
| § 217.13. Final Construction Drawings and Specifications |
| § 217.14. Completion Notice |
| § 217.15. Inspection |
| § 217.16. Wastewater Treatment Facility Operation and Maintenance Manual |
| § 217.17. Collection System Records |
| § 217.18. Provisions that Apply to All Sections in this Chapter |
| SUBCHAPTER B. WASTEWATER TREATMENT FACILITY DESIGN REQUIREMENTS |
| § 217.31. Applicability |
| § 217.32. Organic Loadings and Flows for New Wastewater Treatment Facilities |
| § 217.33. Flow Measurement |
| § 217.34. Organic Loadings and Flows for Existing Wastewater Treatment Facilities, Re-Ratings, and Alterations |
| § 217.35. One Hundred-Year Flood Plain Requirements |
| § 217.36. Emergency Power Requirements |
| § 217.37. Disinfection System Power Reliability |
| § 217.38. Buffer Zones and Odor Abatement |
| § 217.39. Wastewater Treatment Facility Use of Reclaimed Water |
| § 217.40. Signs with Emergency Contact Information |
| SUBCHAPTER C. CONVENTIONAL COLLECTION SYSTEMS |
| § 217.51. Applicability |
| § 217.52. Edwards Aquifer |
| § 217.53. Pipe Design |
| § 217.54. Criteria for Laying Pipe |
| § 217.55. Manholes and Related Structures |
| § 217.56. Trenchless Pipe Installation |
| § 217.57. Testing Requirements for Installation of Gravity Collection System Pipes |
| § 217.58. Testing Requirements for Manholes |
| § 217.59. Lift Station Site Requirements |
| § 217.60. Lift Station, Wet Well, and Dry Well Designs |
| § 217.61. Lift Station Pumps |
| § 217.62. Lift Station Pipes |
| § 217.63. Emergency Provisions for Lift Stations |
| § 217.64. Materials for Force Main Pipes |
| § 217.65. Force Main Pipe Joints |
| § 217.66. Identification of Force Main Pipes |
| § 217.67. Force Main Design |
| § 217.68. Force Main Testing |
| § 217.69. Maintenance, Inspection, and Rehabilitation of the Collection System |
| § 217.70. Reclaimed Water Facilities |
| § 217.71. Storage Tanks for Reclaimed Water |
| SUBCHAPTER D. ALTERNATIVE COLLECTION SYSTEMS |
| § 217.90. Applicability |
| § 217.91. Edwards Aquifer |
| § 217.92. Component Sizing |
| § 217.93. General Requirements |
| § 217.94. Maintenance and Inspection Program |
| § 217.95. Alternative Collection System Service Agreements |
| § 217.96. Small Diameter Effluent Sewers |
| § 217.97. Pressure Sewers |
| § 217.98. Vacuum Sewer Systems |
| § 217.99. Testing Requirements |
| § 217.100. Termination |
| SUBCHAPTER E. PRELIMINARY TREATMENT UNITS |
| § 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 |
| SUBCHAPTER F. ACTIVATED SLUDGE SYSTEMS |
| § 217.151. Requirements for an Aeration Basin |
| § 217.152. Requirements for Clarifiers |
| § 217.153. Requirements for Both Aeration Basins and Clarifiers |
| § 217.154. Aeration Basin and Clarifier Sizing--Traditional Design |
| § 217.155. Aeration Equipment Sizing |
| § 217.156. Sequencing Batch Reactors |
| § 217.157. Membrane Bioreactor Systems |
| § 217.158. Solids Management |
| § 217.159. Process Control |
| § 217.160. Operability and Maintenance Requirements |
| § 217.161. Electrical and Instrumentation Systems |
| § 217.162. Air Lift Pump Design |
| § 217.163. Advanced Nutrient Removal |
| § 217.164. Aeration Basin and Clarifier Sizing--Volume-Flux Design Method |
| SUBCHAPTER G. FIXED FILM AND FILTRATION UNITS |
| § 217.181. Applicability |
| § 217.182. Trickling Filters--General Requirements |
| § 217.183. Nitrifying Trickling Filters--Additional Requirements |
| § 217.184. Dual Treatment Using Trickling Filters |
| § 217.185. Rotating Biological Contactors |
| § 217.186. Nitrifying Rotating Biological Contactors |
| § 217.187. Dual Treatment Utilizing Rotating Biological Contactors |
| § 217.188. Submerged Biological Contactor |
| § 217.189. Dual Treatment Systems Using Submerged Biological Contactor |
| § 217.190. Filtration |
| § 217.191. Additional Requirements for Deep Bed, Intermittently Backwashed, Granular Media Filters |
| § 217.192. Additional Design Requirements for Multi-Compartmented, Low Head, Automatically Backwashed Filters |
| § 217.193. Cloth or Disk Filter Systems |
| § 217.194. Alternative Designs for Effluent Polishing |
| SUBCHAPTER H. NATURAL TREATMENT UNITS |
| § 217.201. Applicability |
| § 217.202. Primary and Secondary Treatment Units |
| § 217.203. Design Criteria for Natural Treatment Facilities |
| § 217.204. Imhoff Tanks |
| § 217.205. Facultative Lagoons |
| § 217.206. Aerated Lagoons |
| § 217.207. Stabilization Lagoons |
| § 217.208. Evaporative Lagoons |
| § 217.209. Constructed Wetlands |
| § 217.210. Constructed Wetlands--Free Water Surface Design |
| § 217.211. Constructed Wetlands--Subsurface Flow System General Design |
| § 217.212. Overland Flow Process |
| § 217.213. Integrated Facultative Lagoons |
| SUBCHAPTER J. SLUDGE PROCESSING |
| § 217.241. General Requirements |
| § 217.242. Control of Sludge and Supernatant Volumes |
| § 217.243. Sludge Pipes |
| § 217.244. Sludge Pumps |
| § 217.245. Exclusion of Grit, Grease, and Debris from Sludge Processing Units |
| § 217.246. Ventilation and Odor Control |
| § 217.247. Chemical Pretreatment of Sludge |
| § 217.248. Sludge Thickening |
| § 217.249. Sludge Stabilization |
| § 217.250. Sludge Dewatering |
| § 217.251. Sludge Storage |
| § 217.252. Final Use or Disposal of Sludge |
| SUBCHAPTER K. CHEMICAL DISINFECTION |
| § 217.271. Gaseous Chlorine Disinfection and Sulfur Dioxide Dechlorination System Redundancy Requirements |
| § 217.272. Capacity and Sizing of Gaseous Chlorine Disinfection and Sulfur Dioxide Dechlorination Systems |
| § 217.273. Cylinder Requirements for Gaseous Chlorine Disinfection and Sulfur Dioxide Dechlorination Systems |
| § 217.274. Dosage Control for Gaseous Chlorine Disinfection and Sulfur Dioxide Dechlorination Systems |
| § 217.275. Requirements for 150 Pound Cylinders used in Gaseous Chlorine Disinfection and Sulfur Dioxide Dechlorination Systems |
| § 217.276. Requirements for One-Ton and Larger Cylinders used in Gas-Withdrawal Chlorine Disinfection and Sulfur Dioxide Dechlorination Systems |
| § 217.277. Requirements for One-Ton and Larger Cylinders used in Liquid-Withdrawal Chlorine Disinfection and Sulfur Dioxide Dechlorination Systems |
| § 217.278. Safety Requirements for Gaseous Chlorine Disinfection and Sulfur Dioxide Dechlorination Systems |
| § 217.279. Equipment and Material Requirements for Gaseous Chlorine Disinfection and Sulfur Dioxide Dechlorination Systems |
| § 217.280. Design of Sodium Hypochlorite Disinfection and Sodium Bisulfite Dechlorination Systems |
| § 217.281. Application of Chlorination and Dechlorination Chemicals |
| § 217.282. Other Chemical Disinfection and Dechlorination Processes |
| § 217.283. Post-Disinfection Requirements |
| SUBCHAPTER L. ULTRAVIOLET LIGHT DISINFECTION |
| § 217.291. Ultraviolet Light Disinfection System Definitions |
| § 217.292. Ultraviolet Light Disinfection Systems Effluent Limitations |
| § 217.293. Ultraviolet Light Disinfection Systems Redundancy Requirements |
| § 217.294. Ultraviolet Light Disinfection Systems Monitoring and Alarms |
| § 217.295. Ultraviolet Light Disinfection Dosage and System Sizing |
| § 217.296. Ultraviolet Light Disinfection Bioassay Test Procedure |
| § 217.297. Ultraviolet Light Disinfection Reactor Design |
| § 217.298. Ultraviolet Light Disinfection System Cleaning and Maintenance |
| § 217.299. Ultraviolet Light Disinfection System Safety |
| § 217.300. Post-Disinfection Requirements |
| SUBCHAPTER M. SAFETY |
| § 217.321. Safety Design of a Wastewater Treatment Facility |
| § 217.322. Safety and Security Audits |
| § 217.323. Hazardous Operation and Maintenance |
| § 217.324. Chemical Handling |
| § 217.325. Railings, Ladders, Walkways, and Stairways |
| § 217.326. Electrical and Fire Code Compliance |
| § 217.327. Non-Potable Water |
| § 217.328. Wastewater Treatment Facility Access Control |
| § 217.329. Color Coding of Pipes |
| § 217.330. Drinking Water Supply Connections |
| § 217.331. Freeze Protection |
| § 217.332. Noise Levels |
| § 217.333. Confined Spaces |