Data
Updating Pennsylvania Streamgage Datums
USGS is updating streamgage datums to reflect elevations in North American Vertical Datum of 1988 (NAVD88)
USGS is updating streamgage datums to reflect elevations in North American Vertical Datum of 1988 (NAVD88)
Pennsylvania Groundwater Watch
Interactive map of groundwater levels at 108 sites in Adams, Chester, Montgomery, Philadelphia, and Pike Counties
Interactive map of groundwater levels at 108 sites in Adams, Chester, Montgomery, Philadelphia, and Pike Counties
First-of-its-Kind Survey of PFAS in Pennsylvania Surface Waters
In collaboration with the Pennsylvania Department of Environmental Protection
In collaboration with the Pennsylvania Department of Environmental Protection
National Water Dashboard
Explore real-time water data in context with current weather and hazard conditions
Explore real-time water data in context with current weather and hazard conditions
Groundwater Levels
Water Quality
Streamflow
USGS Pennsylvania Water Science Center operates about 580 real-time data collection sites acquiring information on surface water, groundwater, water quality, precipitation and ecosystem health. Data, including models, are also published for cooperative monitoring systems and investigative studies.
See Web Tools for accessing real-time and other selected data through interactive map apps.
National Water Dashboard
National Water Dashboard
View over 13,000 USGS real-time stream, lake, reservoir, precipitation, water quality & groundwater stations in context with current weather & hazard conditions.
Current Conditions
Current Conditions
National Water Information System
Streamflow || Groundwater || Water Quality