Colorado Geothermal Environmental Review(9-CO)
Colorado does not have a state environmental review process, however geothermal developers in Colorado must comply with a number of individual procedures related to cultural and biological resources, water quality, air quality, and hazardous and solid waste.
Determine Which State and Federal Permits Apply
Use this overview flowchart and following steps to learn which federal and state permits apply to your projects.
Permitting at a Glance
|Environmental Review Process:||None||National Environmental Policy Act|
|Type of Environmental Review (Leasing Stage):||None||Typically an Environmental Assessment (EA) is conducted for individual leases. An Environmental Impact Statement (EIS) may be required for programmatic environmental reviews or when reviewing multiple lease parcels in a single review.|
|Type of Environmental Review (Non-Invasive Exploration):||None||A categorical exclusion is available for all activities covered under a Notice of Intent to Conduct Geophysical Exploration (NOI), subject to extraordinary circumstance review. Where the activity results in an extraordinary circumstance, an EA or EIS is required.|
|Type of Environmental Review (Invasive Exploration):||None||Temperature Gradient Holes are permitted under a categorical exclusion and subject to the same conditions as non-invasive exploration as discussed above. Any other exploration drilling activity to confirm the existence of a geothermal resource will likely require an EA.|
|Type of Environmental Review (Drilling):||None||Production drilling activities will likely require an EA, but depending on the nature of the specific project, could require an EIS.|
|Type of Environmental Review (Power Plant Siting):||None||Most Plans of Utilization (POU)s require an EA or EIS.|
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