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Permit(s) needed for Treatment Works (Sector T)

Revised On: Oct. 20th, 2025 - 11:20 am

What is Treatment Works (Sector T):

You may need all or some of the following permits:

If you have hazardous waste to dispose of, you may need an Application for a Hazardous Waste EPA ID Number | Learn More >

If you treat, store, or dispose of hazardous waste, you may need a Hazardous Waste TSD Facility Permit | Learn More >

1.05 GP: Discharge of Backwash or Condensate if less than 1,000 Gallons Per Day: Type 1 General Permit: No notification is required; however, best management practices (BMPs) must be followed.

1.08 GP: Toilet or Privy: Type 1 General Permit: No notification is required; however, best management practices (BMPs) must be followed.

2.01 GP: Drywells that Drain Areas with Hazardous Substances | Learn More >

2.03 GP: Hydrologic Tracer Studies | Learn More >

3.01 GP: Lined Impoundments | Learn More >

3.03 GP: Vehicle and Equipment Washes | Learn More >

3.07 GP: Tertiary Treatment Wetlands | Learn More >

If you have a drywell, you may need a Drywell Registration | 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 your industry has stormwater discharges, you may need an AZPDES Industrial Stormwater Non-Mining MSGP | Learn More >

If you discharge pollutants into U.S. waters, you may need an AZDPES Individual Permit | Learn More >

If you apply biosolids to land, you may need an AZPDES Biosolids GP | Learn More >