The following waterworks related sites are conveniently linked for your information.

American Water Works Association (AWWA)
http://www.awwa.org

Atlantic Canada Water Works Association (ACWWA)
http://www.acwwa.ca

British Columbia Water Works Association (BCWWA)
http://www.bcwwa.org

Bureau de Normalisation du Quebec (BNQ)

http://www.bnq.qc.ca

Canadian Water & Wastewater Association (CWWA)
http://www.cwwa.ca

Ductile Iron Pipe Research Association (DIPRA)
http://www.dipra.org

Ontario Water Works Association (OWWA)
http://www.owwa.com

Western Canada Water & Wastewater Association
http://www.wcwwa.ca