ODNR Division of
Soil & Water Resources
2045 Morse Road, B3
Columbus, Ohio
43229-6693

(614) 265-6610
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Ground Water Mapping and Technical Services – Home & News

Helping private and public interests sustainably use Ohio’s rich groundwater resources
Key Components
  • Groundwater Mapping
    • Groundwater availability maps
    • Glacial and bedrock aquifer maps
    • Pollution potential maps
    • Potentiometric surface maps
    • Provide Ohio flood event support
  • Technical Services
    • Collect water well records and provide online access to the records
    • Provide technical advice and information on development of groundwater resources
    • Conduct investigations and help resolve groundwater conflicts
 Program Authority
Ohio Revised Code
§1521.03, 1521.05 and 1521.17

Program Assistance
Offered to:
Water well drillers, consultants, community officials, and general public.

How to measure drawdown from Division of Water fact sheet No. 62 Understanding Your Water Well.

State wide map: Yield of the Unconsolidated Aquifers in Ohio. From the Statewide Aquifer Mapping Project (SAMP).

Program News and New Items
Posted
 Item

02/25/2013
Hydrogeologic Investigation of the Hidden Creek Golf Club
image: hidden creek report cover thumbnail Hydrogeologic Investigation of the Hidden Creek Golf Club Irrigation Well to Evaluate the Impact on Local Domestic Water Supply Wells in /Allen County, Jackson Township, Ohio.

   by ODNR—Division of Soil and Water Resources Curtis J Coe, CPG, PG, and James Raab, 90 pages. (Download 16.3 megabyte PDF)

02/20/2013
2013 National Ground Water Awareness Week (March 10-16, 2013)
Everyone can and should do something to protect groundwater. Why? We all have a stake in maintaining its quality and quantity.
View ODNR Ground Water Maps: 

06/12/2012
 Franklin County Potentiometric Surface Maps Available On-line
Maps of both Consolidated and Unconsolidated formations are available.

Go to Mapping Intro and links page for downloads.
04/24/2012
Ottawa County Ground Water Investigation Report Available
Ground Water Investigation of the Carbonate Bedrock Aquifer to Evaluate the Impact of Pumping High-Yielding Irrigation Wells on Local Water Supply Wells in Ottawa County, Harris Township, Ohio.
Download complete report now (5.4 MB PDF)

03/23/2012
Recommendations for Geothermal Heating and Cooling Systems
from the Ohio Water Resources Council
These recommendations are intended to help ensure that geothermal heating and cooling systems are installed in a manner that will prevent ground water contamination, will protect drinking water sources and public health, and help protect the owner’s investments.
Go to OEPA web page on this topic.   OR   Download the guidance document now. ( 896 KB PDF)

02/15/2012
Recommendations for Drinking Water Well Sampling Before Oil and Gas Drilling
This four page fact sheet provides a basic overview for private and/or public drinking water well owners who are considering collecting samples prior to oil and gas drilling. Produced jointly by, ODNR, OEPA and ODH.
Download this PDF fact sheet now.

03/16/2011
Ground Water - Surface Water Temperature Study in the
Hellbranch Run Watershed, Franklin County
by ODNR—Division of Soil and Water Resources Wayne Jones and James Raab
Download 31 page report now.  (1.7 MB PDF)

03/18/2009
Ground Water Induced Flooding in the
Bellevue Ohio Area Spring and Summer 2008

by ODNR—Division of Water James Raab, Bill Haiker, and Wayne Jones
and
ODNR—Division of Geological Survey
Michael Angle, Rick Pavey, Mac Swinford, and Donovan Powers.

23 pages. (Download 2.7 megabyte PDF)