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Bill

SB 101

Local Government Landfill Methane Emission Reduction Regulations

2026 Regular Session

Colorado bill requiring local governments to reduce landfill methane emissions through state regulations with compliance targets and reporting requirements.

Governor Signed
#naturalresources&environment #publichealth
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Bill Summary · SB 101

Legislative bill overview

SB 101 establishes state-level regulations requiring local governments in Colorado to implement methane emission reduction measures at landfills under their jurisdiction. The bill sets emission reduction targets and compliance timelines while allowing municipalities flexibility in how they achieve these standards. Local governments would be required to report progress to the state and face potential penalties for non-compliance.

Why is this important

Methane is a potent greenhouse gas with approximately 25-28 times the warming potential of CO2 over a century, and landfills are a significant methane source. This bill directly addresses Colorado's climate commitments and could influence waste management practices across the state, affecting local budgets, waste disposal costs, and potentially consumer waste fees. The outcome may serve as a model for other states seeking to regulate methane from municipal waste.

Potential points of contention

  • Unfunded mandate concerns: Local governments may argue the state is imposing compliance costs without adequate funding or technical support for infrastructure upgrades
  • Economic burden on municipalities: Smaller communities could face disproportionate financial hardship implementing methane capture technology compared to larger, better-funded jurisdictions
  • Flexibility vs. accountability: Tension between allowing local control and ensuring uniform environmental standards, with questions about enforcement mechanisms and penalty severity

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

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