Revised On: May. 27, 2024 - 3:00 p.m.

A Wastewater treatment plant is a large plant where wastewater is cleaned before being sent to the nearest water bodies or reused. Sewage treatment involves physical, chemical, and biological processes to remove impurities from the wastewater. Physical Process.

The following is required when running a Wastewater Treatment Plant in Arizona:

• If you have an operator that monitors drinking water/wastewater systems, you may need an Operator Certification for Water and Wastewater Systems | Learn More > 
• If you discharge pollutants into water, you may need a 208 Consistency Review Authorization | Learn More >

You may also need all or some of the following permits:

• If you have a generator, you may need a Generators GP | Learn More > 
• If you have hazardous waste to dispose of, you may need an Application for a Hazardous Waste EPA ID Number | Learn More >
• If you have underground storage tank, may need a Notification of UST Form | Learn More >
• If have (info TC), may need a Biosolids Land Application Registration | Learn More >
• 1.03 GP: Discharge from Hydrostatic Tests of Systems other than those used for Drinking Water:  “Type 1 General Permit: No notification is required, however, best management practices (BMPs) must be followed.”
• 1.04 GP: Discharge from a Facility that Receives Water from a Well if Discharge is to the Same Aquifer: “Type 1 General Permit: No notification is required, however, best management practices (BMPs) must be followed.”
• 1.09 GP: Sewage Treatment or On-site Wastewater Treatment Facility with flows less than 20,000 GPD and oeprating before January 1, 2001: “Type 1 General Permit: No notification is required, however, best management practices (BMPs) must be followed.”
• 1.10 GP: Operation of Sewage Collection System installed before January 1, 2001: “Type 1 General Permit: No notification is required, however, best management practices (BMPs) must be followed.”
• 1.11 GP: Operation of Sewage Collection System that serves upstream from the point where the daily design flow is 3000 GPD: “Type 1 General Permit: No notification is required, however, best management practices (BMPs) must be followed.”
• 2.05 GP: Capacity, Management, Operation, and Maintenance of a Sewage Collection System | Learn More >
• 3.05 GP: Disposal Wetlands | Learn More > 
• 3.07 GP: Tertiary Treatment Wetlands | Learn More > 
• If you discharge water pollutants, you may need an Individual APP | Learn More >  
• If you temporarily need to discharge water pollutants, you may need a Temporary Individual APP | Learn More > 
• If you apply biosolids to land, you may need an AZPDES Biosolids GP | Learn More >
• If your facility has infrequent discharges into US waters, you may need an AZDPES Infrequent Discharges of Domestic Wastewater GP  | Learn More > 
• If your facility has minor discharges into US water, you may need an AZPDES Minor Discharges of Domestic Wastewater GP | Learn More >
• If using reclaimed water, you may need a Direct Reuse of Reclaimed Water Individual Permit | Learn More > 
• If you have a drywell, you may need a Drywell Registration | Learn More > 
• State Water Quality Certification, CWA Section 401 | Learn More >
• If you have a sewage collection system, you may need a Sewage Collection System (Type 4.01 General APP) | Learn More >
• If you discharge pollutants into US waters, you may need an AZDPES Individual Permit | Learn More >