Colorado Revised Statutes Title 25. Health § 25-8-205.4. Statewide authorization of graywater use--local government notice required to opt out

(2)(a) A board of county commissioners or governing body of a municipality may adopt a resolution or an ordinance pursuant to section 30-11-107(1)(kk) or 31-15-601(1)(m):

(b) A board of county commissioners or governing body of a municipality that adopts a resolution or an ordinance pursuant to subsection (2)(a) of this section shall notify the division that the board of county commissioners or governing body of a municipality prohibits the use of all graywater or prohibits certain categories of graywater use in the county or municipality.

(c) A board of county commissioners or governing body of a municipality that has not prohibited the installation of graywater treatment works pursuant to subsection (2)(a)(I) of this section, prior to installation of any graywater treatment works, continues to be responsible for adopting building codes that prevent graywater from entering a potable water system and for reporting to the local water utility the planned installation of graywater systems that require backflow prevention cross-connection control devices under the commission's rules for the purpose of surveying and tracking such devices. For each location within a local government's jurisdiction at which graywater treatment works have been installed, the building department of the local government shall provide the address of the location to each water utility serving that location.