To: Board of County Commissioners
Through: ?Jennifer Ludwig, Public Health Director, Public Health ?
Prepared By:
prepared
??Steven Chevalier, Environmental Health Manager (Early Childhood and Environmental Protection Programs), Public Health?
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Subject:
title
??Resolution Prohibiting Graywater Systems
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Purpose and Request:
recommended action
??The Arapahoe County Board of Commissioners discussed HB24-1362 and the options for a local graywater ordinance during a study session on June 10, 2025, with Public Health Department staff. The commissioners agreed that the county should prohibit graywater systems and indicated an interest to reexamine the issue in the future should demand and public interest require it. The commissioners approved to add this item to the consent agenda at an upcoming Board of County Commissioners business meeting for adoption of a formal resolution.
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Alignment with Strategic Plan: Good Governance - Understand and respond to community needs, interests, and values.
Background and Discussion: The purpose of the June 2025 study session was to provide an overview of House Bill 24-1362, which shifts graywater regulation to an "opt-out" model effective January 1, 2026. Unless the County adopts a resolution to prohibit certain categories of graywater systems, all allowable uses, both indoor and outdoor types, will be automatically permitted in unincorporated Arapahoe County. In accordance with HB 24-1362, which encourages collaboration with local boards of health prior to implementation of any local graywater control program, the Public Health Department sought and received a recommendation from the Board of Health. The Board of Health recommended maintaining current plumbing code provisions that allow indoor graywater systems for toilet and urinal flushing, while prohibiting graywater systems that discharge externally from a structure, such as laundry-to-landscape (L2L) systems.
Alternatives: N/A
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