1. A. An operator of a new solid waste landfill shall register the solid waste landfill with the Department on a form approved by the Department.

2. B. An existing solid waste landfill shall pay an annual registration fee within 30 days of receipt of an invoice from the Department according to the following:

   1. 1. For municipal solid waste landfills that received less than 12,000 tons during the defined time period, $1,856.
   2. 2. For municipal solid waste landfills that received at least 12,000 tons but less than 60,000 tons during the defined time period, $3,713.
   3. 3. For municipal solid waste landfills that received at least 60,000 tons but less than 225,000 tons or more during the defined time period, $10,000.
   4. 4. For municipal solid waste landfills that received 225,000 tons or more during the defined time period, $18,565.
   5. 5. For non-municipal solid waste landfills that received less than 60,000 tons during the defined time period, $5,000.
   6. 6. For non-municipal solid waste landfills that received 60,000 tons or more during the defined time period, $5,569.

3. C. The Department shall determine the amount of waste received by a solid waste landfill by one of the following methods:

   1. 1. As the reported tons of solid waste received on the disposal fee invoices over the defined time period; or
   2. 2. As the reported units of compacted or uncompacted solid waste received on the disposal fee invoices and reported under R18-13-2104 over the defined time period.

4. D. Beginning July 1, 2026, the Director shall adjust the fee amounts in subsection (B) of this Section annually by the following method, except that no adjustment in any year shall exceed four percent of the fee amount of the preceding year:

   1. 1. Multiply the amount by the October CPI for the most recent year and then divide by the October CPI for the year 2024. The October CPI for any year is the Consumer Price Index for All Urban Consumers, Phoenix-Mesa-Scottsdale, AZ, all items, published by the United States Department of Labor at www.bls.gov/cpi/regional-resources.htm, for October of that year.
   2. 2. Round the result from subsection (C)(1) down to the nearest cent. ADEQ shall post the new amounts on its webpage and install them in the billing software as soon as practicable.

Historical Note

New Section made by final rulemaking at 9 A.A.R. 1770, effective July 14, 2003 (Supp. 03-2). Amended by final rulemaking at 18 A.A.R. 1217, effective July 1, 2012 (Supp. 12-2). Amended by final rulemaking at 31 A.A.R. 348 (January 24, 2025), with an immediate effective date of December 24, 2024 (Supp. 24-4). Amended by emergency rulemaking at 31 A.A.R. 1897 (June 13, 2025), effective June 6, 2025, for 180 days (Supp. 25-2). Amended by final rulemaking at 31 A.A.R. 4716 (December 26, 2025), with an immediate effective date of December 3, 2025 (Supp. 25-4).