Model Aquatic Health Code

Current Edition of the MAHC
2018 MAHC Code thumbnail

2018 Model Aquatic Health Code & Annex (3rd Edition)

Posted 07/18/2018

Access the latest MAHC code provisions and scientific rationale (annex), as well as information on changes from the 2016 (second) edition.

MAHC Principles & Style Guidance

Suggested edits to the MAHC should conform to the principles and style guidance outlined by CDC.

Previous Editions

All provisions and scientific rationale in previous MAHC editions are superseded by the latest and current edition of the MAHC and are archived on the Previous MAHC Editions page.

Early Historical Files

These web pages are archived for historical purposes. The content is no longer maintained and might  be out of date.

MAHC Drafts – Early drafts, modules, and public comments on the MAHC contributing to the development of the first edition of the MAHC

MAHC Module Abstracts – Early summaries of MAHC Module technical sections

Creating the MAHC – Background on the early process of developing the MAHC, including committees and public comments

Page last reviewed: June 22, 2018