HB 24-1362

House Bill 24-1362, which has been signed into law and will take effect on January 1, 2026, aims to encourage the use of graywater across Colorado by allowing new construction projects to install systems that treat and reuse this type of wastewater. Graywater is water from sources like sinks and washing machines that can be reused for purposes such as watering plants or flushing toilets. While local governments still have the authority to ban or restrict the installation and use of these systems within their jurisdictions, they must inform state authorities about any regulations they put in place regarding graywater usage. This bill affects homeowners, builders, and municipalities by providing guidelines and incentives for more sustainable water practices.

Official Summary

Under current law, a board of county commissioners or governing body of a municipality (local government) may authorize the use of graywater within its jurisdiction. Graywater refers to certain types of wastewater that is collected from fixtures before it is treated and put to certain beneficial uses. The act authorizes the installation of graywater treatment works in new construction projects and the use of graywater statewide; except that a local government: May adopt an ordinance or a resolution prohibiting the installation of graywater treatment works or the use of all graywater or categories of graywater use within its jurisdiction; and Shall notify the division of administration in the department of public health and environment of any such local ordinance or resolution adopted and of any local ordinance or resolution adopted that authorizes a use of graywater previously prohibited. APPROVED by Governor May 29, 2024 EFFECTIVE January 1, 2026(Note: This summary applies to this bill as enacted.)

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