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File #: 26-137    Version: 1
Type: Presentation Status: Passed
File created: 3/2/2026 In control: Arapahoe County Board of Health
On agenda: 3/18/2026 Final action: 3/18/2026
Title: ??Proposed Revisions to the Arapahoe County On-Site Wastewater Treatment System (OWTS) Regulations: Hearing and Adoption?
Attachments: 1. BOH_General Business_OWTS Presentation_March2026, 2. BOH_General Business_Arapahoe County On-site Wastewater Treatment System Regulations_March2026
To: Board of County Health

Through: Jennifer Ludwig, Public Health Director, Public Health

Prepared By:
prepared
Steven Chevalier, Environmental Health Manager, Health Protection and Response
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presenter
Presenter: Steven Chevalier, Environmental Health Manager, Health Protection and Response
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Subject:
title
??Proposed Revisions to the Arapahoe County On-Site Wastewater Treatment System (OWTS) Regulations: Hearing and Adoption?
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Purpose and Request:
recommended action
???ACPH requests that the Arapahoe County Board of Health conduct a public hearing and consider adoption of proposed updates to the Arapahoe County On-Site Wastewater Treatment System (OWTS) Regulations. The proposed updates are required to align local regulations with revisions adopted by the Colorado Department of Public Health and Environment (CDPHE) to Regulation 43 in June 2025. The updates incorporate mandatory state changes, continue select local opt-in provisions currently in effect, and adopt additional discretionary provisions intended to improve clarity, consistency, public health protection, and administrative efficiency.? ?
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Background and Discussion: The Arapahoe County Board of Health has authority to adopt and revise local On-Site Wastewater Treatment System (OWTS) regulations pursuant to the Colorado On-Site Wastewater Treatment System Act, C.R.S. ?? 25-10-101 et seq. This Act authorizes local public health agencies to promulgate regulations that establish minimum standards for the permitting, siting, installation, inspection, operation, maintenance, and use of OWTS, provided those regulations are at least as stringent as state requirements. In June 2025, the Colorado Department of Public Health and Environment (CDPHE) adopted revisions to Regulation 43, which establishes statewide minimum standards for OWTS. Regulation 43 requires local public health agencies to adopt updated local regulations consistent with the revised state requirements by Ju...

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