Canadian Associations
- BCWWA (British Columbia Water and Wastes Association)
- Canadian Society for Civil Engineering
- Canadian Society for Chemical Engineering
- Canadian Geotechnical Society
- CWWA/ACEPU (Canadian Water and Wastewater Association)
- MPWWA (Maritime Provinces Water and Wastewater Association)
- NTWWA (Northern Territories Water and Waste Association)
- OWWA (Ontario Water Works Association)
- Réseau Environnement
- WEAO (Water Environment Association of Ontario)
- WCWWA (Western Canada Water and Wastewater Association)
International Associations
- Air and Waste Management Association
- American Water Works Association
- Association of Environmental Engineering and Science Professors
- International Water Association
- Water Environment Federation