Trade Groups

Following are some trade groups representing products used in the water supply and wastewater industries. These organizations’ services vary widely but they generally have helpful publications, offer some technical assistance, and can provide referrals for additional information.

Concrete Pipe

American Concrete Pipe Association
American Concrete Pressure Pipe Association

Clay Pipe

National Clay Pipe Institute

Cast and Ductile Iron Pipe

Cast Iron Soil Pipe Institute
Ductile Iron Pipe Research Association

Plastic Pipe

Plastics Pipe Institute
Uni-Bell PVC Pipe Association

Steel Pipe

Steel Tube Institute of North America


Valve Manufacturers Association of America
American Backflow Prevention Association

Pipe Installation

National Utility Contractors Association
North American Society for Trenchless Technology

Steel Tanks

Steel Plate Fabricators Association
Society for Protective Coatings


Automatic Meter Reading Association (Utilimetrics)

Fluoridation of Drinking Water

Contact your state health department or American Dental Association.


The Chlorine Institute
National Lime Association
Salt Institute


International Ozone Association
International Ultraviolet Association

Suitability of chemicals to be added to, or in contact with, potable water

Check first with your state health department or public water supply agency, or contact NSF International