Following a robust public and stakeholder engagement process as well as Colorado Water Conservation Board (CWCB) approval, the new Rules and Regulations for Regulatory Floodplains in Colorado (2 CCR 408-1) became effective January 14, 2022.
The revisions to the Rules 1) update the standards and processes for floodplain designation to make the Rules consistent with FEMA floodplain mapping procedures, 2) amend and clarify Rule 4 definitions; 3) update references to external documents; and 4) revise for clarification the following Rules: Rule 5, Rule 7.I.(2), Rule 8.D., Rule 10.D., Rule 12.D., Rule 12.J., the introductory paragraph to Rule 14, Rule 17, and Rule 20.
Additional Information
*NOTE: Future dates are subject to change
June 29: Stakeholder Meeting #1
July 9: Stakeholder Meeting #2
July 12: Stakeholder Meeting #3
July 30: File Notice of Rulemaking with Secretary of State and Department of Regulatory Agencies (DORA)
August 10: Notice of Rulemaking published in Colorado Register
August 24: Rule 12J Workgroup Meeting
November 18: Rulemaking Hearing at Colorado Water Conservation Board Meeting
November 19: File adopted rules with Secretary of State and request Attorney General Opinion
December 8: Attorney General Opinion filed and file final adopted rules
December 25: Rules published in Colorado Register
January 14, 2022: Rules effective
- Draft Floodplain Rules
- Updated Draft Floodplain Rules (v2)
- Updated Draft Floodplain Rules (v3)
- Updated Draft Floodplain Rules (v4)
- Updated Draft Floodplain Rules (v5)
- Updated Draft Floodplain Rules (v6)
- Updated Draft Floodplain Rules (v7)
- Updated Draft Floodplain Rules (v8)
- Floodplain Rules - Final Redlines
Work Group Comments
Pre-Notice Comments
Post-Notice Comments
- Mile High Flood District
- Carrie Gudorf - Mesa County
- Pam Cherry - Morgan County
- Craig Perl - City of Aurora
- Robert Sakata
- Matt Jones - Baseline Engineering
- Jeff Rice - El Paso County
- Marsha Hilmes-Robinson/Jeremy Hamer - Fort Collins/Denver
- The Cost-Benefit Analysis requested August 13, 2021 has been completed and the requirement fulfilled.