Contact NGWA

Customer service

For event registrations, membership applications, book orders, billing questions, changes to your membership record, and general questions, contact customer service by:

  • Sending an email to customerservice@ngwa.org
  • Phoning (800) 551-7379, (614) 898-7791 outside the United States
  • Sending a fax to (614) 898-7786.


National Ground Water Association
601 Dempsey Road
Westerville, Ohio 43081
(800) 551-7379, (614) 898-7791 outside the United States
fax (614) 898-7786

Payment​ mailing address

601 Dempsey Rd.
Westerville, OH 43081

NGWA departments

NGWA staff ​members

Bill Alley, Ph.D., ext. 1531​Director of Science and Technology
Bex Armbruster, ext. 1512Groundwater Foundation Youth Education Manager
Dawn Bauer, SHRM-CP, ext. 1569Human Resources/Accounts Receivable
Wayne Beatty, ext. 1509Copyeditor/Proofreader
Kathy Butcher, CMP, ext. 1526

Director of Education

Becca Calkins, CAE, CPA, ext. 1506Vice President of Finance
Haleigh Contino, ext. 1564Multimedia Designer
David Evener, CAE, ext. 1559Vice President of Operations
Jennie Eyerman, ext. 1500Customer and Administrative Support Specialist
Ben Frech, ext. 1570Public Relations and Government Affairs Manager
Trisha Freeman, QAS, ext. 1553Director of Membership
Maggie Herrmann, ext. 1505Marketing Specialist
Paul Humes, ext. 1520Consultant
Chuck Job​, ext. 1561​Manager of Regulatory Affairs
Mark Jones, ext. 1514​Partner States Coordinator
Heather Lazor, ext. 1516Director of Marketing/Communications
Pat Levak, ext. 1540Operations Coordinator/Purchasing/Web Editor
Sam Magers, CPA, ext. 1524Senior Accountant
Terry S. Morse, CAE, CIC​, ext. 1504​Chief Executive Officer; Groundwater Foundation Chief Executive Officer
Thad Plumley, ext. 1594Director of Publications
Mike Price, ext. 1541Senior Editor, Publications
Dave Schulenberg, QAS, ext. 1530Director of Partner States
Deirdre Stevens, ext. 1539Graphic Designer
Sue Tenney, ext. 1568Education Program Manager