Department 400 - Department of Natural Resources
- 401 - Executive Director of Department of Natural Resources (Rule 2 CCR 401-1)
- 402 - Division of Water Resources (Rule 2 CCR 402-1 to 2 CCR 402-17)
- 403 - Bureau of Mines (2 CCR 403-1)
- 404 - Oil and Gas Conservation Commission (Rule 2 CCR 404-1)
- 405 - Colorado Parks and Wildlife (405 Series, Parks) (Rule 2 CCR 405-1 to 2 CCR 405-8)
- 406 - Colorado Parks and Wildlife (406 Series, Wildlife) (Rule 2 CCR 406-0 to 2 CCR 406-17)
- 407 - Division of Reclamation, Mining and Safety (Rule 2 CCR 407-1 to 2 CCR 407-6)
- 408 - Colorado Water Conservation Board (Rule 2 CCR 408-1 to 2 CCR 408-3)
- 409 - Board of Land Commissioners (2 CCR 409-1 to 2 CCR 409-2)
- 410 - Ground Water Commission (Rule 2 CCR 410-1 to 2 CCR 410-2)
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.
- 401 - Executive Director of Department of Natural Resources (Rule 2 CCR 401-1)
- 402 - Division of Water Resources (Rule 2 CCR 402-1 to 2 CCR 402-17)
- 403 - Bureau of Mines (Rule 2 CCR 403-1)
- 404 - Oil and Gas Conservation Commission (Rule 2 CCR 404-1 to 2 CCR 404-3)
- 405 - Colorado Parks and Wildlife (405 Series, Parks) (Rule 2 CCR 405-1 to 2 CCR 405-8)
- 406 - Colorado Parks and Wildlife (406 Series, Wildlife) (Rule 2 CCR 406-0 to 2 CCR 406-17)
- 407 - Division of Reclamation, Mining and Safety (Rule 2 CCR 407-1 to 2 CCR 407-7)
- 408 - Colorado Water Conservation Board (Rule 2 CCR 408-1 to 2 CCR 408-3)
- 409 - Board of Land Commissioners (Rule 2 CCR 409-1 to 2 CCR 409-2)
- 410 - Ground Water Commission (Rule 2 CCR 410-1 to 2 CCR 410-2)