City:

• The Dallas City Code

  
  The “Pretreatment Program” ordinance is in Volume II, Chapter 49 Article IV and the “Liquid Waste” ordinance is in Volume I Chapter 19 Article X.

State:

• State Pretreatment Regulations

• The Texas Pollutant Discharge Elimination System (TPDES) Pretreatment Program

Federal:

• Code of Federal Regulations - Pretreatment Regulations​

• EPA Pretreatment Program