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Bill Summary · SB 340

Legislative bill overview

SB 340 proposes revisions to Montana's Montana Environmental Policy Act (MEPA) challenge procedures, modifying how legal challenges to environmental decisions can be brought and processed. The bill died in the legislative process without advancing past committee in the 2025 session.

Why is this important

MEPA challenges are the primary mechanism through which citizens, organizations, and businesses can contest environmental permits and decisions by state agencies. Changes to challenge procedures directly affect how quickly projects can move forward, the costs involved in legal challenges, and the practical ability of stakeholders to participate in environmental decision-making.

Potential points of contention

  • Standing and who can sue: Revisions to MEPA challenge rules often involve disputes over who has the legal right to challenge decisions, potentially affecting environmental groups, affected landowners, or project developers differently
  • Timeline and deadline modifications: Changes to filing deadlines or review periods create tension between allowing adequate time for meaningful challenge versus expediting project approval certainty
  • Burden of proof and evidence standards: Alterations to what evidence is required or how decisions are challenged affects whether challenges succeed, impacting both environmental protection and project viability

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

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