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HSB 323

A bill for an act relating to animal feeding operations, by providing for the regulation of anaerobic digester systems, providing fees, making penalties applicable, and including effective date and applicability provisions.

2025-2026 Regular Session

Bill establishes regulatory framework and fee system for anaerobic digesters at Iowa animal feeding operations to manage emissions and ensure environmental compliance.

Committee report approving bill, renumbered as HF 989.
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Bill Summary · HSB 323

Legislative bill overview

HSB 323 establishes regulatory oversight and fee structures for anaerobic digester systems used at animal feeding operations in Iowa. The bill creates a permitting and compliance framework, sets operational standards, and defines penalties for violations of the new regulations.

Why is this important

Anaerobic digesters convert animal waste into biogas energy and reduce methane emissions, representing both an environmental and economic opportunity for Iowa's agricultural sector. Formalized regulation ensures environmental protection, sets consistent standards across operations, and generates state revenue through licensing fees while the industry scales up.

Potential points of contention

  • Fee structure and financial burden: The specific fee amounts and whether they adequately compensate for regulatory oversight without discouraging digester adoption by smaller operations
  • Regulatory stringency vs. industry competitiveness: Whether compliance requirements balance environmental protection with Iowa's need to remain competitive in renewable energy generation compared to other states
  • Enforcement and monitoring capacity: Whether state agencies have sufficient resources to effectively inspect, monitor, and enforce regulations across potentially numerous operations

Compiled from official sources — confirm details with the bill’s official record.

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