Air & Waste Management Association
Alberta Water & Wastewater Operators Association
American Institute of Chemical Engineers (AIChE)
American Public Works Association
American Society of Civil Engineers
American Water Works Association
Association of Municipalities of Ontario
Atlantic Canada Water Works Association
British Columbia Water and Waste Association
Canadian Society of Civil Engineers
Canadian Water and Wastewater Association
Conservation Council of Ontario
Consulting Engineers of Ontario
Ductile Iron Pipe Research Association
Federation of Canadian Municipalities
Georgian Bay Association
Instrument Society of America (ISA)
Maritime Provinces Water & Wastewater Association
Municipal Electric Association (Ontario)
Municipal Information Systems Association (Ontario)
National Biosolids Partnership
Ontario Association of Certified Engineering Technicians and Technologists
Ontario Concrete Pipe Association
Ontario Good Roads Association
Ontario Ground Water Association
Ontario Onsite Wastewater Association (OOWA)
Ontario Pollution Control Equipment Association
Ontario Rural Wastewater Centre
Ontario Society of Professional Engineers
Ontario Water Works Association
Professional Engineers Ontario
Reseau Environnement (French language)
Searchfirm.com
Urban and Regional Information Systems Association (URISA) – Ontario Chapter
Western Canada Water and Wastewater Association
Water Environment Association of Ontario (WEAO)
Water Environment Federation

Environmental Commissioner of Ontario
Environment Canada
Government of Canada
Government of Ontario
Ministry of Water, Land & Air Protection, BC, Canada
Ontario Ministry of the Environment and Energy
Region of Peel – Water Smart Peel
United States EPA

Carleton University, Energy Management
Delft Hydraulics
Elsevier Science
Guelph Water Management Group
Niagara Children’s Water Festival
Safedrinkingwater.com
Water Research

CanadianEnvironmental.com
Canadian Standards Association
Career Advancement Employment Services
Eco-Research Home Pag
Environmental Organization WebDirectory
Environmental Science & Engineering Magazine
Green Bay Sewage District
InterWater
National Drinking Water Clearinghouse
National Small Flows Clearinghouse
Ontario (hosted at Yahoo! Canada)
Ontario Municipal Insurance Exchange
Public Works Online
Science Traveler International – Wastewater World Wide
Stockholm Internationsl Water Institute
Water Online

Please email us at: opcea@opcea.com
with your suggested link.
Thank you.