Colorado Rules and Regulations for Regulatory Floodplains 

Provides uniform standards for regulatory floodplains in Colorado and activities in those floodplains; provides a procedure for CWCB designation and approval of floodplain information. 

Related CWCB program areas: Floodplain


Colorado Instream Flow Program Rules

Sets forth procedures for Board implementation of the Instream Flow Program (effective March 17, 2021). 

Related CWCB program areas: Instream Flow


Instream Flow Program Statement of Basis and Purpose

Sets forth the basis, statutory authority and purpose of the Instream Flow Program Rules (effective March 17, 2021). 

Related CWCB program areas:Instream Flow


Recreational In-channel Diversion (RICD) Rules

Sets forth procedures to be followed by applicants for RICDs and by the Board in making findings of fact regarding RICDs to water court. 

Related CWCB program areas: Recreational In-channel Diversions


2CCR 401-1 - Weather Modification Rules and Regulations

Provides the Department of Natural Resources with the authority to carry out the weather modification permitting program in Colorado for both cloud seeding and hail suppression operations.

Related CWCB program areas:Weather Modification