PHOENIX – The Arizona Department of Environmental Quality (ADEQ) has adopted a revised method for calculating inflation-based adjustments to specific permit and compliance fees, a change implemented through the state’s administrative rulemaking process rather than legislation.

The update, published on January 30 in the Arizona Administrative Register, alters how the agency applies statutory inflation limits when adjusting fees. ADEQ describes the change as a technical correction intended to ensure calculations more closely track inflation and remain within the legislative parameters.

While the revision does not create new fees or expand ADEQ’s authority, it highlights how agencies exercise discretion within existing statutes, often through procedural changes that receive little public attention.

Under Arizona law, ADEQ is permitted to adjust specific fees annually based on inflation. The agency’s revised approach changes how inflation data is applied and rounded, a modification that could affect how fees are assessed over time without requiring formal approval from lawmakers.

Agency rulemaking is subject to review by the Governor’s Regulatory Review Council (GRRC), tasked with ensuring that agencies act within their statutory authority and follow the required procedures. Many changes tend to move forward with limited legislative involvement unless a rule is challenged or flagged for review.

Republican lawmakers have raised concerns in the past, pointing to agencies that have incrementally expanded their influence through rulemaking, arguing that technical adjustments can have real-world consequences even when they fall within statutory bounds. Democrats, on the other hand, have tended to emphasize agency expertise and continuity, particularly in areas involving environmental regulation and compliance.

The ADEQ rule change did not draw public testimony or a floor debate, underscoring that administrative decisions can shape regulatory outcomes, sometimes outside the Legislature’s more visible process. The department moves as a cabinet-level agency within the executive branch, with authority delegated by statute but implemented through internal rulemaking. While lawmakers retain the power to revise these statutes, including those that govern fee authority, such interventions usually occur after regulated entities or oversight bodies raise concerns.