How to find a water well contractor
To help you find a water well contractor, Wellowner.org has developed Contractor Lookup. Simply enter your location to find contractors that service your area. In addition, we have coded contractors with the following designations: Read more...
State guidance on water testing
Resources include licensing agencies for geologists, engineers, and contractors, guidance for engaging an environmental or groundwater consultant and more. Read more...
Find a state-certified drinking water testing lab
To find a certified lab, click on your state or territory from this helpful map. Read more...

Click on the state below to access a state-by-state roster of useful information resources including licensing agencies for geologists, engineers, and contractors; regulatory agencies; groundwater-use summaries; groundwater-quality reports; and more.

NGWA also provides three membership database-driven state indexes: Member Connections (manufacturers and suppliers), Scientists and Engineers Division Consultants Directory and Contractor Lookup.

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