American Academy of Environmental Engineers
American Backflow Prevention Association
American Consulting Engineers Council
American Council for an Energy-Efficient Economy
American Fisheries Society
American Ground Water Trust
American Institute of Hydrology
American Public Works Association
American Society for Microbiology
American Society for Public Administration
American Society of Appraisers
American Society of Civil Engineers
American Society of Irrigation Consultants
American Water Resources Association
American Water Works Association
American Water Resources Association
Association of Environmental Authorities - New Jersey.
Association of Metropolitan Water Agencies
Association of Metropolitan Sewerage Agencies
Association of State Drinking Water Administrators
Association of State and Interstate Water Pollution Control Administrators
Association of Water Technologies
AWWA Research Foundation
The Chlorine Institute
Conservation International
Customer Satisfaction Measurement Association
Environmental Assessment Association
Environmental Council of the States
Environmental Law Institute
FASB - Financial Accounting Standards Board
The Foundation for Cross-Connection Control and Hydraulic Research
Golf Course Builders Association of America
Golf Course Superintendents Association of America
The Groundwater Foundation
Ground Water Protection Council
Institute of Professional Environmental Practice
Irrigation Association
NARUC Committee on Water
National Association of Conservation Districts
National Association of Counties
National Association of Environmental Professionals
National Association of Pipe Fabricators
National Association of Water Companies
National Council for Science and the Environment
National Drinking Water Clearinghouse
National Drought Mitigation Center
National Federation of Municipal Analysts
National Fire Protection Association
National Ground Water Association
National Institutes for Water Resources
National League of Cities
National Rural Water Association
National Small Flows Clearinghouse
National Society of Professional Engineers
National Water Research Institute (Canada)
National Water Resources Association
Renewable Natural Resources Foundation
Soil and Water Conservation Society
State Water Resources Research Institutes
USDA Rural Utilities Service
Valve Manufacturers Association of America
Water and Wastewater Equipment Manufacturers Association
Water Education Foundation
Water Environment Federation
Water Environment Research Foundation
Water Quality Association
Water Utility Benchmarking Association
The Watershed Management Council
