Revised On: Feb. 20, 2024 - 3:00 p.m.

Sand and gravel operation is defined as any operation, the principal product of which is sand, gravel, pumice, or other common minerals.

The following is a required certification when running a Sand and Gravel Operation 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 >

You may need all or some of the following permits:

• If your industry produces crushed stone, you may need a Crushing and Screening Plant GP | Learn More >
• If you have a boiler + generator, you may need an Air Quality Individual Permit | Learn More >
• If you have a generator, you may need a Generators GP | Learn More >
• If you have hot mix asphalt, you may need a Hot Mix Asphalt Plants GP | Learn More >
• 1.01 GP: Discharge From A Sand and Gravel Operation, Placer Mining Operation, or Other Similar Acitivity: “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.”
• 1.05 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.”
• 1.06 GP: Burial of Mining Industry Off-road Motor Vehicle Waste Tires: “Type 1 General Permit: No notification is required, however, best management practices (BMPs) must be followed.”
• 1.12 GP: Discharge of Wastewater Resulting from Washing Concrete from Trucks, Pumps, and Ancillary Equipment: “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 > 
• 3.04 GP: Non-Stormwater Impoundments at Mining Sites | 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 Industrial Stormwater Non-Mining MSGP | Learn More > 
• State Water Quality Certification, CWA Section 401  | Learn More >