International Desalination Association
The International Desalination Association (IDA) is a non-profit organization dedicated to the development, promotion and appropriate use of desalination technologies.  IDA members include scientists, end-users, engineers, consultants and researchers from governments, corporations and academia.

Pennsylvania Independent Oil and Gas Association (PIOGA)

The Pennsylvania Independent Oil and Gas Association of Pennsylvania (PIOGA) is the principal nonprofit trade association representing Pennsylvania’s independent oil and natural gas producers, marketers, service companies and related businesses.

Pennsylvania Municipal Authorities Association (PMAA)  
For 70 years, the Pennsylvania Municipal Authorities Association (PMAA) has been the primary voice of community-based services representing the interests of more than 2,600 municipal authorities across the Commonwealth. Services provided by the association include advocacy on governmental affairs issues, education and training, and group programs.

The Water Environment Federation (WEF) is an organization of engineers and industry experts related to wastewater, water, and water reuse. WEF members include specialists in the fields of:

• environmental engineering
• industrial wastewater treatment
• sewage treatment
• stormwater management
• water quality analysis and planning

Judith Herschell is presently:

• a member of WEF Membrane Committee
• a member of WEF International Committee

American Membrane Technology Association

AMTA is the premier U.S. organization dedicated to the application of membrane filtration and desalting processes for water treatment