> For the complete documentation index, see [llms.txt](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/appendices/appendix-2/a2.15-reference-web-sites.md).

# A2.15 Reference web sites

American Water Works Association [www.awwa.org](https://www.awwa.org/)

Australian Water Association [www.awa.asn.au](https://www.awa.asn.au/)

International Water Association [www.iwa-network.org](https://iwa-network.org/)

National Health and Medical Research Council [www.nhmrc.gov.au](https://www.nhmrc.gov.au/)

New Zealand Ministry of Health [www.health.govt.nz](https://www.health.govt.nz/)

The Water Research Foundation [www.waterrf.org](https://www.waterrf.org/)

United States Environmental Protection Agency [www.epa.gov](https://www.epa.gov/)

USEPA Office of Groundwater and Drinking Water [www.epa.gov/ground-water-and-drinking-water](https://www.epa.gov/ground-water-and-drinking-water) 

Department of Water and Environmental Regulation [www.wa.gov.au/organisation/department-of-water-and-environmental-regulation](https://www.wa.gov.au/organisation/department-of-water-and-environmental-regulation)\
(Western Australia)

Water Environment Federation [www.wef.org](https://www.wef.org/)

World Health Organization [www.who.int](https://www.who.int/)