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Groundwater Resources

Groundwater Resources

About 42% of Ohioans rely on groundwater for their source of water. Knowing where groundwater can be obtained and how it can be managed is important for economic development and mitigating environmental impacts. The Groundwater Resources Group collects data and creates maps that show groundwater availability in Ohio. The group also conducts technical investigations and prepares reports to help all groundwater users understand impacts to the resource. In areas where groundwater withdrawals exceed natural recharge, the group can designate groundwater stress areas with special reporting requirements for groundwater users. Upon request from local governments and boards, the group holds public meetings or hearings to help disseminate groundwater information in conflict areas.

How to Obtain Water Well Data & Information

Please use the links below or in the list at right to search or submit information on Ohio water wells.

For information about water well construction, depth, and yield, search the Ohio water well database here.

Submit and File Drilling & Sealing Reports

Filing for Drilling & Sealing Reports

To Register for a Driller ID and Password

  • Drilling Contractor Information Form [PDF]
  • Please download, complete, and mail the completed form to:
    ODNR Division of Geological Survey
    Groundwater Resources Section
    2045 Morse Rd., Bldg C
    Columbus, OH 43229

Important: The Drilling Contractor form is for ODNR use only. You must also register separately with the Ohio Department of Health, if you plan on drilling domestic wells.

If Already Registered and On File

To request your preassigned ID and password, please contact:
Jim Raab, Groundwater Resources Supervisor
(614) 265-6747
Email Jim