Colo. Rev. Stat. § 25-1.5-210
(1) With respect to the use of a rain barrel, as defined in section 37-96.5-102 (1), C.R.S., to collect precipitation from a residential rooftop pursuant to section 37-96.5-103, C.R.S., the department, to the extent practicable within existing resources, shall develop best practices for:
(2) If the department develops best practices in accordance with subsection (1) of this section, the department shall:
Source: L. 2016: Entire section added, (HB 16-1005), ch. 161, p. 511, § 2, effective August 10.