Ground Water Mapping & Technical Services Main Page

  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).

 

 

New Program Items

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)
 

03/08/2009
Small sample portion of larger map

National Ground Water Awareness Week

  Ground Water Awareness Week is sponsored by the National Ground Water Association and it's supporters. The goal of this week is to highlight the importance of maintaining private water well systems and the ground water resource that supply them.

Click here for more information.
 

1/31/2006


Seven Previously Published Ground Water Pollution Potential Maps
Now Available On-line: Ashtabula, Columbiana, Coshocton, Erie, Ottawa, Perry, Sandusky.

Go to Pollution Potential Mapping Page
 
 

1/27/2006

Five New Potentiometric Surface Maps Available On-line
 Covering the Counties of Richland, Huron and Erie.

Go to Mapping Intro and links page for downloads.
 

11/21/2005
Eleven Previously Published Ground Water Pollution Potential Maps
Now Available On-line: Clermont, Darke, Geauga, Greene, Lake, Logan, Miami, Portage, Preble, Shelby, Warren.
 

10/12/2005

On-line Filing of Water Well Log and Drilling Reports Now Available.

 

Go to On-line Filing Start Page
 

08/25/2005

Nine Additional Ground Water Pollution Potential Maps Available On-line
Auglaize, Clark, Delaware, Huron, Jefferson, Lorain, Madison, Pickaway, Stark

Go to Pollution Potential Mapping Page
 

08/03/2005

NEW Map Series Available
Ground Water Potentiometric Surface Maps

Go to Potentiometric Surface Maps Now .