To: Board of Health
Through: Jennifer Ludwig, Public Health Director, Arapahoe County Public Health
Prepared By:
prepared
Steven Chevalier, Environmental Health Manager (Early Childhood and Environmental Protection Programs), Public Health
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presenter
Presenters: Diana Rashash, Sr. Water Quality Specialist; Steven Chevalier, Environmental Health Manager (Early Childhood and Environmental Protection Programs), Public Health
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Subject:
title
Introduction to State Regulation 86 for Graywater and HB 24-1362
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Purpose and Request:
recommended action
The purpose of this briefing is to provide an overview of State Regulation 86 on graywater use and House Bill 24-1362, which shifts graywater regulation to an "opt-out" model, effective January 1, 2026. Arapahoe County Public Health (ACPH) seeks the Board of Health's recommendation to the Board of County Commissioners on whether to prohibit or allow specific categories of graywater use within the county. The Board of County Commissioners will be provided with the Board of Health recommendation during the study session, scheduled June 10, 2025.
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Background and Discussion:Click or tap here to enter text.
Graywater is wastewater generated from bathroom sinks, bathtubs, showers, and laundry machines that can be reused for purposes such as toilet flushing and subsurface irrigation. Regulation 86 establishes standards for graywater use, while HB 24-1362 shifts regulatory authority to counties and municipalities, requiring them to "opt out" if they do not wish to allow graywater systems.
A survey conducted by ACPH of local water districts, municipalities, and developers highlighted significant concerns regarding graywater reuse, including:
* Risks of cross-connections with potable water systems
* Complex operational and maintenance requirements
* Oversight and enforcement challenges
* Potential conflicts with water rights regulations
Survey responses showed that a majority of stakeholders eit...
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