Colo. Rev. Stat. § 25-8-503.8
Upon a permittee's request, the division shall make available to the permittee all documents, data, and information the division relied upon in developing the permittee's permit modification or permit, including any model, tool, or tabular worksheet and any formulas, macros, metadata, and calculations contained in such materials, except to the extent that the documents, data, and information are protected by an applicable privilege, such as the attorney-client privilege or the deliberative-process privilege, or are subject to an exception from disclosure set forth in section 24-72-204.
Source: L. 2025: Entire section added, (SB 25-305), ch. 429, p. 2479, § 7, effective June 4.