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Hydrologic Data and Information
Current USGS Hydrologic Conditions in Pennsylvania
Real-Time Data
from the USGS National Water Information System (NWIS)
Streamflow
-
(Emergency
backup site for Streamflow
. Please use the primary site if available.)
Lake and Reservoir
Precipitation
Ground-Water
Water-Quality
Water Temperature
Daily Streamflow Conditions Map
Ground Water Climate Response Network
Current Streamflow and Ground-Water Depth Duration Graphs
Drought Condition
Monitoring
Historic USGS Hydrologic Data and Information for Pennsylvania
USGS Hydrologic Monitoring Networks in Chester County
Additional Hydrologic Data and information from non-USGS sources in Pennsylvania
Current USGS Streamflow Conditions in Surrounding States
Nationwide Hydrologic Data and Information from various sources