Industrial Pretreatment Program

The City operates the EPA-approved industrial pretreatment program to limit potentially toxic pollutants discharged by industry and other non-domestic wastewater sources.

The City regulates and monitors wastewater discharged to Gresham’s collection system.  

Environmental Protection Agency code of federal regulations

Program goals 

• Ensure the health and safety of the public, City personnel and the environment. 
  
• Prevent pollutants from entering the wastewater treatment system.
  
• Prevent the introduction of waste that may adversely affect the environment.
  
• Ensure the City’s wastewater treatment plant can process the waste in accordance with our National Pollutant Discharge Elimination (NPDES) permit.  

Industrial customers: 

• Discharge 25,000 gallons or more of processed water daily, on average.
• Contribute food process waste.
• Discharge industrial waste with a reasonable potential to adversely affect wastewater treatment plant and collection system operations. 

Permitting process 

Complete an Industrial User survey to determine if a permit is required before discharging industrial or non-domestic waste to the City’s sewage collection system.

• You may be a significant industrial user if...
• City discharge limits
• Industrial User survey
  
• Industrial waste discharge permit application
• Slug and spill control plan
  

Resources 

• 24-hour violation notification form
• Change in Discharge Notification
• Designated signatory form
  
• Non-routine discharge request form 
• Wastewater fees

Discharge regulations 

• Oregon Department of Environmental Quality
• Federal pretreatment regulations
• Mercury Minimization