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Pennsylvania's Long-Term Surface-Water Quality Network

Monitoring the health of Pennsylvania’s rivers, streams, and lakes since the 1950s

Web Tool

Flood Data Collection in Pennsylvania

Site Selection Data for the Development of a Rapid Deployment Network

Launch Web Tool

Philadelphia Area Groundwater Level Network

Now part of Pennsylvania Groundwater Watch

Launch Web Tool

Pennsylvania Groundwater Watch

Interactive map of groundwater levels at 108 sites in Adams, Chester, Montgomery, Philadelphia, and Pike Counties

Launch Web Tool

Mapping Radon in Pennsylvania's Groundwater

Web Tool

Pennsylvania Groundwater Quality Monitoring Network

in cooperation with the Pennsylvania Department of Environmental Protection

Web Tool

Pennsylvania Real-Time Water Quality

Web Tool

Web Tools provide interactive access to USGS information about Pennsylvania's water resources.

As of 2023, Philadelphia Area Groundwater Level Network is part of Pennsylvania Groundwater Watch. 

National Water Dashboard

Screen shot of National Water Dashboard showing map of Pennsylvania

View over 13,000 USGS real-time stream, lake, reservoir, precipitation, water quality & groundwater stations in context with current weather & hazard conditions.

Water Dashboard

Current Conditions

Map of NWIS streamflow conditions in Pennsylvania

National Water Information System

Streamflow || Groundwater || Water Quality 

Current Conditions

Hydrologic Toolbox

WaterWatch
Filter Total Items: 21

Modeling chloride concentrations in Chester County, PA Modeling chloride concentrations in Chester County, PA

This geonarrative describes the chloride monitoring and modeling conducted as part of the Chester County - U.S. Geological Survey Cooperative Water Resources Program.
By
Pennsylvania Water Science Center

York County Water Quality Dashboard York County Water Quality Dashboard

Since 2019, the USGS Pennsylvania Water Science Center has been cooperating with York County, Pennsylvania to implement in-stream monitoring and water-quality sampling to compute, in real time, the concentration, loads, and yields of total nitrogen, total phosphorus, and suspended sediment for 6 major watersheds in the County.
By
Chesapeake Bay Activities, Pennsylvania Water Science Center

Pennsylvania's Long-Term Surface-Water Quality Network Pennsylvania's Long-Term Surface-Water Quality Network

USGS, in cooperation with the Pennsylvania Department of Environmental Protection (PaDEP), has released a geonarrative detailing the sampling of a network of surface water sites across Pennsylvania.
By
Pennsylvania Water Science Center

Using Continuous Water Quality to Guide Conservation Efforts Using Continuous Water Quality to Guide Conservation Efforts

This geonarrative describes USGS data collection and analysis efforts to assess water-quality conditions and measure the effects of conservation practices in the Chiques and Swatara Creek watersheds in central Pennsylvania, both within the Chesapeake Bay watershed.
By
Chesapeake Bay Activities, Pennsylvania Water Science Center

Stream conditions monitoring network in Chester County, PA Stream conditions monitoring network in Chester County, PA

This geonarrative describes the stream biological monitoring conducted as part of the Chester County - U.S. Geological Survey Cooperative Water Resources Program.
By
Pennsylvania Water Science Center

Monitoring for Pesticides in Pennsylvania's Groundwater Monitoring for Pesticides in Pennsylvania's Groundwater

This geonarrative explains and explores the results of more than 20 years of sampling. Methods for sampling and pesticide use in Pennsylvania are also described.
By
Pennsylvania Water Science Center

Philadelphia Water Resources Monitoring Philadelphia Water Resources Monitoring

The Philadelphia Water Department (PWD) and USGS have been working together to create and expand the water-quality monitoring network for Philadelphia. Data from these gaging stations will allow PWD scientists and engineers to monitor spatial and temporal water quality/quantity trends in support of watershed restoration initiatives occurring in Philadelphia.
By
Pennsylvania Water Science Center

Assessing stream sediment conditions in Chester County, PA Assessing stream sediment conditions in Chester County, PA

This geonarrative describes the sediment and turbidity monitoring conducted as part of the Chester County - U.S. Geological Survey Cooperative Water Resources Program.
By
Pennsylvania Water Science Center

Pennsylvania Drought Condition Web Tool Pennsylvania Drought Condition Web Tool

The Pennsylvania Drought Condition Web Tool shows the current drought status for each county and hydrologic conditions for precipitation, streamflow, groundwater levels, and Palmer Drought Index used by PADEP for drought monitoring.
By
Pennsylvania Water Science Center, Drought

Hurricane Ida: USGS Response in Pennsylvania to September 1-2, 2021, Flooding Related to Remnants of Hurricane Ida Hurricane Ida: USGS Response in Pennsylvania to September 1-2, 2021, Flooding Related to Remnants of Hurricane Ida

This geonarrative is an interactive online presentation of the USGS Pennsylvania Water Science Center's data collection efforts related to Hurricane Ida. This geonarrative includes a summary of the storm in Pennsylvania, USGS data collection methods, embedded interactive maps of flood extents in 5 southeastern Pennsylvania localities, and visual depictions of the storm’s impact across the state.
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Pennsylvania Water Science Center, Supplemental Appropriations for Disaster Recovery Activities

Flood Data Collection in Pennsylvania - Rapid Deployment Network Flood Data Collection in Pennsylvania - Rapid Deployment Network

USGS is helping identify potential locations in Pennsylvania where additional or updated water-level data may be needed during or after major storm events. Pre-identification of these locations supports expedited decision-making for site selection, resulting in safer and more timely installation of flood monitoring instruments.
By
Pennsylvania Water Science Center

Pennsylvania Groundwater Watch Pennsylvania Groundwater Watch

Pennsylvania Groundwater Watch provides access to groundwater level data from 108 sites in the USGS Active Groundwater Level Network for Adams, Chester, Montgomery, Philadelphia, and Pike Counties.
By
Pennsylvania Water Science Center
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