USGS Home
Contact USGS
Search USGS
Active Groundwater Level Network
Pennsylvania Active Water Level Network
Hover mouse over site for information.
Click site to open page with county information and site selection.
Map generated 11/22/2009 3:12:10 PM
Groundwater Watch
Help Page
Download Google
Earth Version
Display
interactive map
Pennsylvania Counties depicted on the state location map with active wells
Counties
Well Count
Real-Time
Continuous
Periodic
Adams County
2
2
-
-
Allegheny County
1
1
-
-
Armstrong County
2
1
-
1
Beaver County
1
1
-
-
Bedford County
3
1
-
2
Berks County
1
1
-
-
Blair County
7
1
-
6
Bradford County
1
1
-
-
Bucks County
8
2
-
6
Butler County
1
1
-
-
Cambria County
1
1
-
-
Cameron County
1
1
-
-
Carbon County
1
1
-
-
Centre County
4
1
1
2
Chester County
29
1
-
28
Clarion County
1
1
-
-
Clearfield County
1
1
-
-
Clinton County
1
1
-
-
Columbia County
1
1
-
-
Crawford County
1
1
-
-
Cumberland County
9
1
-
8
Dauphin County
1
1
-
-
Delaware County
1
1
-
-
Elk County
1
1
-
-
Erie County
1
1
-
-
Fayette County
1
1
-
-
Forest County
1
1
-
-
Franklin County
1
1
-
-
Fulton County
1
1
-
-
Greene County
2
1
1
-
Huntingdon County
2
1
-
1
Indiana County
1
1
-
-
Jefferson County
1
1
-
-
Juniata County
1
1
-
-
Lackawanna County
1
1
-
-
Lancaster County
2
1
-
1
Lawrence County
1
1
-
-
Lebanon County
4
1
-
3
Lehigh County
2
1
-
1
Luzerne County
1
1
-
-
Lycoming County
1
1
-
-
McKean County
1
1
-
-
Mercer County
1
1
-
-
Mifflin County
3
1
-
2
Monroe County
1
1
-
-
Montgomery County
7
1
1
5
Montour County
1
1
-
-
Northampton County
1
1
-
-
Northumberland County
1
1
-
-
Perry County
1
1
-
-
Philadelphia County
1
1
-
-
Pike County
34
1
-
33
Potter County
1
1
-
-
Schuylkill County
1
1
-
-
Snyder County
1
1
-
-
Somerset County
2
1
-
1
Sullivan County
1
1
-
-
Susquehanna County
1
1
-
-
Tioga County
1
1
-
-
Union County
1
1
-
-
Venango County
1
1
-
-
Warren County
1
1
-
-
Washington County
1
1
-
-
Wayne County
1
1
-
-
Westmoreland County
1
1
-
-
Wyoming County
1
1
-
-
York County
2
1
-
1
Number of active PA wells:
173
69
3
101
Return to National Page