• About
  • Contact Us
  • For the Media
  • Join/Renew
  • My Account
Search
NGWA - The Groundwater Association
  • Government Affairs
    • Government affairs
    • Electronic Logging Device Exemptions Postcard
    • Groundwater Fly-In
    • Legislative Action Center
    • Position papers
  • NGWA Foundation
    • About the Foundation
    • Donate
    • 21st Century Fund
    • Darcy Lecture Series
    • Developing Nations Fund
    • Farvolden Award
    • Groundwater Research Fund
    • Len Assante Scholarship Fund
    • McEllhiney Lecture Series
    • USA Groundwater Fund
  • Events/Education
    • NGWA Events and Education
    • Groundwater industry calendar of events
    • Groundwater Week
    • Groundwater Summit (now part of Groundwater Week)
    • Awareness Week
    • Protect Your Groundwater Day
    • State-approved NGWA courses
    • Custom training
    • Drilling schools
    • NGWA event policies
    • Redirect to registration form
  • Groundwater Fundamentals
    • Fundamentals
    • For kids
    • For well owners
    • Information sheets
    • Meeting food production needs
    • Meeting public needs
  • Member Center
    • Join or Renew
    • Member resources
    • Groundwater Forum - Member discussion forum
    • Member benefits from NGWA partners
    • Member accidental death and dismemberment insurance
    • Member insurance programs
    • NGWA Toolkit
    • Affiliate Organization Program
    • Volunteer Opportunites
    • Groundwater Modeling Advisory Panel
    • NGWA Board of Directors Site
  • Professional Resources
    • Best suggested practices
    • Buyers guide and directories
    • Career Center
    • Certifications and exams
    • Industry and business tools
    • Industry reports, statistics and resources
    • Insurance
    • Member resources
    • NGWA standards development
    • Safety resources
    • Standards, guidelines, and more...
    • Standard organization contacts
    • State resources
  • Publications/Bookstore
    • Bookstore
    • Read journals in digital formats
    • NGWA Directory and Buyers Guide
    • Groundwater
    • Groundwater Monitoring and Remediation
    • Water Well Journal
    • NGWA Press
    • Publishing honors
    • Information briefs
    • Best suggested practices
    • Position papers
    • White papers
Skip Navigation LinksNGWA.org

 

 GWOL Data

 
Retrieving Data
 


Advertise your products and services through NGWA

customer service
customerservice@ngwa.org
800 551.7379 (614 898.7791 outside the United States)
8 a.m.-5 p.m. ET Monday through Friday
fax 614 898.7786

headquarters
National Ground Water Association
601 Dempsey Rd.
Westerville, OH 43081
USA
stay connected

Join NGWA's Mailing List
Groundwater Forum
Facebook
LinkedIn
Twitter
YouTube
navigation
Login