American Water Works Association www.awwa.orgarrow-up-right
Australian Water Association www.awa.asn.auarrow-up-right
International Water Association www.iwa-network.orgarrow-up-right
National Health and Medical Research Council www.nhmrc.gov.auarrow-up-right
New Zealand Ministry of Health www.health.govt.nzarrow-up-right
The Water Research Foundation www.waterrf.orgarrow-up-right
United States Environmental Protection Agency www.epa.govarrow-up-right
USEPA Office of Groundwater and Drinking Water www.epa.gov/ground-water-and-drinking-waterarrow-up-right
Department of Water and Environmental Regulation www.wa.gov.au/organisation/department-of-water-and-environmental-regulationarrow-up-right (Western Australia)
Water Environment Federation www.wef.orgarrow-up-right
World Health Organization www.who.intarrow-up-right