5 Colo. Code Regs. § 1002-84.4
This regulation applies to the use of reclaimed water treated by centralized reclaimed water treatment systems and localized reclaimed water treatment systems for the Authorized Reclaimed Water Uses listed in section 84.10 , Table A of this regulation (industrial, landscape irrigation, commercial, fire protection, agricultural irrigation and toilet and urinal flushing). Reclaimed water that is used or provided for use by a Treater or User for any other purpose that is not listed as an authorized use is prohibited and a violation of this regulation. Recreational uses of reclaimed water are strictly prohibited (e.g. swimming, dog swimming, fishing, boating, stand up paddle boarding, etc.) This regulation does not apply to wastewater that has been treated and released to state waters prior to subsequent use or to wastewater that has been treated and used at a domestic wastewater treatment plant site for landscape irrigation or process uses. Treaters and Users that have been granted a variance from provisions of this regulation, or have additional requirements may have different conditions that are specified in their Treater and User Authorizations. This regulation applies to individual Treaters and Users, as defined below.
5 CCR 1002-84.4