Warning: Javascript must be enabled to use all the features on this page!
Page Loading - Please Wait...
Click to hideNews Bulletins
Scheduled Maintenance Notice
USGS will be performing maintenance on WDFN webpages beginning Tuesday, May 12.
If you cannot access the page you are intending or are unexpectedly redirected to a different page,
please reach out to wdfn@usgs.gov for assistance.
Explore the USGS National Water Dashboard
interactive map to access real-time water data from over 13,500 stations nationwide.
Over the
next year, the USGS Pennsylvania Water Science Center will be updating
the geodetic vertical elevation (gage datum) for many locations. Click
HERE for additional information including a current list of
streamgages with upcoming datum changes. This update in gage datum does
not affect the location of the streamgage, nor the observed local gage
height or discharge recorded at the streamgage.
This page is undergoing modernization with expected decommissioning as key features
are added to the modernized pages.
Learn more about our
modernization plans to find out which options will suit you best. Next Generation Monitoring Location Page
is available now.
A beta version of the My Favorites page is available in WDFN.
Try it out and tell us what you think at wdfn@usgs.gov
![[!]](https://pa.water.usgs.gov/images/exclaim.gif)
Over the
next year, the USGS Pennsylvania Water Science Center will be updating
the geodetic vertical elevation (gage datum) for many locations. Click
HERE for additional information including a current list of
streamgages with upcoming datum changes. This update in gage datum does
not affect the location of the streamgage, nor the observed local gage
height or discharge recorded at the streamgage.
This page is undergoing modernization with expected decommissioning as key features
are added to the modernized pages. 
