What to know
The Model Aquatic Health Code (MAHC) is updated every few years. This page includes all of the previous editions of the MAHC Code and Annex.
Previous Editions of the MAHC
2018 MAHC (3rd Edition)
- 2018 MAHC Code (3rd Edition) – 07/18/2018 [195 pages]
- 2018 MAHC Annex (3rd Edition) – 07/18/2018 [270 pages]
Mini-MAHCs from the 2018 edition
Specific public health issues addressed in the MAHC are often spread across multiple chapters. Mini-MAHCs aggregate the code and annex language into more concise documents. This helps users quickly find relevant MAHC guidelines and rationale to solve specific public health issues and improve patron and staff health and safety. All Mini-MAHCs reference content from the 2018 MAHC (3rd Edition). Visit About Mini-MAHCs for more information.
2016 MAHC (2nd Edition)
- 2016 MAHC Code (2nd Edition) – 07/15/2016 [290 pages]
- 2016 MAHC Annex (2nd Edition) – 07/15/2016 [372 pages]
2014 MAHC (1st Edition)
- 2014 MAHC Code (1st Edition) – 08/29/2014 [316 pages]
- 2014 MAHC Annex (1st Edition) – 08/29/2014 [371 pages]
During the two public comment periods, CDC received 4,407 comments. Of comments that the MAHC could accept or reject (3,825), the MAHC agreed with and incorporated 72% of the suggestions.