USGS Home
Contact USGS
Search USGS
Active Ground-Water Level Network
Ohio Active Water Level Network
In cooperation with
Hover mouse over site for information.
Click site to open page with county information and site selection.
Map generated 7/20/2008 1:26:15 AM
Ground-Water Watch
Help Page
Download Google
Earth Version
Display
interactive map
Ohio Counties depicted on the state location map with active wells
Counties
Well Count
Real-Time
Continuous
Periodic
Allen County
1
-
1
-
Ashland County
2
-
2
-
Athens County
2
-
2
-
Auglaize County
1
-
1
-
Belmont County
1
-
1
-
Brown County
1
-
1
-
Butler County
19
1
7
11
Carroll County
1
-
1
-
Champaign County
15
-
1
14
Clark County
14
-
2
12
Clermont County
1
-
-
1
Coshocton County
2
-
2
-
Crawford County
1
-
1
-
Darke County
3
-
1
2
Delaware County
1
-
1
-
Fairfield County
5
-
5
-
Fayette County
1
1
-
-
Franklin County
9
1
8
-
Gallia County
1
1
-
-
Geauga County
39
-
8
31
Greene County
13
-
3
10
Hamilton County
15
1
7
7
Hancock County
1
-
1
-
Hardin County
2
1
1
-
Henry County
1
-
1
-
Hocking County
1
-
1
-
Knox County
2
-
2
-
Licking County
3
-
3
-
Logan County
2
-
1
1
Lucas County
1
-
1
-
Madison County
3
-
3
-
Mahoning County
1
-
1
-
Marion County
3
-
3
-
Medina County
3
-
3
-
Mercer County
1
-
1
-
Miami County
5
1
-
4
Montgomery County
14
1
5
8
Ottawa County
1
-
1
-
Pickaway County
5
-
5
-
Pike County
2
1
1
-
Portage County
2
1
1
-
Preble County
2
-
-
2
Putnam County
1
-
1
-
Richland County
2
-
2
-
Ross County
2
-
2
-
Sandusky County
1
-
1
-
Seneca County
1
-
1
-
Shelby County
3
-
1
2
Stark County
1
-
1
-
Summit County
2
-
2
-
Tuscarawas County
4
-
4
-
Union County
2
-
2
-
Van Wert County
1
-
1
-
Vinton County
2
-
2
-
Warren County
8
-
4
4
Washington County
1
1
-
-
Wayne County
4
1
3
-
Williams County
8
1
2
5
Wyandot County
1
-
1
-
Number of active OH wells:
247
13
120
114
Return to National Page