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International

American Water Works Association


The Groundwater Foundation


Inter-American Association on Sanitary and Environmental Engineering


International Association of Hydrological Sciences


International Association for Hydraulic Research


International Association on Water Quality


International Commission on Water Quality


International Office for Water


National Groundwater Association


Water Environment Federation

Center for Science and the Environment

Global Water Partnership

Framework for Action

Helsinki Commission


Natural Resources Defense Council


Sierra Club


Terrene Institute


WaterPartners


The World Conservation Union


The World Commision on Dams


World Health Organization

World Water Council


World Water Vision

 

Asia

Environmental Engineers Association Of Thailand

Environmental Management and Research Association of Malaysia (ENSEARCH)

Indonesian Society of Sanitary and Environmental Engineers (IATPI)

Indian Environmental Association

Singapore - Environmental Engineering Society of Singapore (EESS)

 

Europe

Chartered Institute of Water and Environmental Management

Hungary - Hungarian Professional Water Environment Association

Netherlands - Nederlandse Vereniging Voor Waterbeheer (NVA)

Spain - Asociación para la Defensa de la Calidad de las Aguas (ADECAGUA)

Sweden - Foreningen Vatten

Switzerland - Verband Schweizerische Abwasserfachleute (VSA)

 

South America

Brazil - Associaçâo Brasileira de Engenharia Sanitária E Ambientral

Colombia - Asociación Colombiana de Ingeniería Sanitaria y Ambiental (ACODAL)

 

North America

Alaska Water & Wastewater Management Association

Arizona Water and Pollution Control Association

British Columbia Water and Waste Association

California Water Environment Association

Central States Water Environment Association

Chesapeake Water Environment Association

Florida Water Environment Association

Georgia Water and Pollution Control Association

Hawaii Water Environment Association

Illinois Water Environment Association

Indiana Water Pollution Control Association, Inc.

Iowa Water Pollution Control Association

Kansas Water Environment Association

Kentucky-Tennessee Water Environment Association

Louisiana Water Environment Association

Michigan Water Environment Association

Mississippi Water Environment Association

Missouri Water Environment Association

Nebraska Water Environment Association

New England Water Environment Association

New Jersey Water Environment Association

New York Water Environment Association

North Carolina Water Environment Association

Ohio Water Environment Association

Pacific Northwest Pollution Control Association

Pennsylvania Water Environment Association

RÉSEAU environnement (Quebec)

Rocky Mountain Water Environment Association

Virginia Water Environment Association

Water Environment Association of Ontario

Water Environment Association of South Carolina

Water Environment Association of Texas

Texas Water Utilities Association

Water Environment Association of Utah

Western Canada Water Environment Association