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Bill

AB 1459

Hazardous waste: underground storage tanks.

2025-2026 Regular Session

California law AB 1459 tightens underground hazardous waste storage tank regulations to prevent environmental contamination and protect groundwater quality statewide.

Chaptered by Secretary of State - Chapter 89, Statutes of 2025.
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Bill Summary · AB 1459

Legislative bill overview

AB 1459 establishes new regulatory requirements for underground storage tanks (USTs) containing hazardous waste in California. The bill, now law, modifies state oversight and compliance standards for these facilities to address environmental protection and public health concerns related to potential contamination.

Why is this important

Underground storage tanks pose significant risks of soil and groundwater contamination if not properly maintained or monitored. This legislation updates California's regulatory framework to better protect communities from hazardous waste leaks and ensure facility operators meet current environmental standards, particularly in areas with vulnerable water supplies.

Potential points of contention

  • Compliance costs: Small businesses and facility operators may face increased expenses implementing new storage tank requirements, inspection protocols, and monitoring systems
  • Regulatory burden: Additional state oversight and reporting requirements could create administrative complexity for affected industries
  • Implementation timeline: Questions may arise about whether the timeline for compliance with new standards is realistic for existing facilities to achieve without operational disruptions

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

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