Revised On: Apr. 25, 2024 - 4:30 p.m.

A foundry is a factory that produces metal castings.

You may need all or some of the following permits:

If you have a boiler + generator, you may need an Air Quality Individual Permit | Learn More > 

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

If you have underground storage tank, may need a Notification of UST Form | Learn More > 

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.”

1.05 GP: Discharge of Backwash or Condensate if less than 1000 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 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 have a drywell, you may need a Drywell Registration | Learn More > 

If your industry has stormwater discharges, you may need an AZPDES MSGP Industrial Stormwater or No Exposure Certification | Learn More >