Colorado Government
- Colorado Division of Water Resources
- Colorado Secretary of State
- Colorado Water Conservation Board
- Colorado Water Quality Control Division
- Colorado Oil and Gas Conservation Commission
Local Colorado Counties
- Adams County
- Arapahoe County
- Broomfield County
- Boulder County
- Denver County
- Douglas County
- El Paso County
- Jefferson County
- Larimer County
- Pueblo County
- Summit County
- Weld County