South Atlantic Water Science Center (SAWSC)

Data and Tools

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Real-time streamflow:     GA  ||  NC  ||  SC
Real-time water-quality data:    GA  ||  NC  ||  SC 
Real-time groundwater levels:    GA  ||  NC  ||  SC
Real-time precipitation:    GA  ||  NC  ||  SC

Filter Total Items: 180
Date published: November 26, 2019

Microbial Source Tracking Marker Concentrations in the Chattahoochee River National Recreation Area Watershed in 2015-2017, Georgia, USA

The dataset contains Esherichia coli and quantitative polymerase chain reaction data for microbial source tracking markers in the Chattahoochee River and streams within the Chattahoochee River National Recreation area from samples collected in the winter and summer of the federal fiscal years 2016 and 2017. Six water samples were collected from three sites on the Chattahoochee River each...

Date published: November 25, 2019

Pesticides and Pharmaceutical Exposure Data for Select Protected Streams of the US National Park Service Southeast Region 2015-2017

This dataset contains pesticide and pharmaceutical results (including maximum and median summaries) collected in the Southeast Region of the United States, 2015-17. Water-quality and bed-sediment results are reported. Samples were analyzed at the National Water Quality Laboratory, Denver, Colorado and the Organic Chemistry Research Laboratory, Sacramento, California. Method and site

Date published: September 30, 2019

2015 Georgia water-use information by county and water-use trends by water-planning region

Water-withdrawal, water-use, and water-return information have been collected and compiled for each county in Georgia every 5 years since 1980 using data obtained from various Federal, State, private agencies, and on-line sources. For 2015, water use, water withdrawal, and water returns were estimated for each county in Georgia. Off-stream water use in 2015 is estimated for the ca

Date published: August 22, 2019

Coastal Salinity Index for Monitoring Drought

The Coastal Salinity Index was applied to salinity data obtained from sites in North Carolina, South Carolina, Georgia, Florida, Alabama, Mississippi, Louisiana, Texas, and Puerto Rico. This data release will provide all the salinity data and Coastal Salinity Index results for many coastal salinity gages.

Date published: August 20, 2019

Land Use Land Cover for Selected Basins in Clarksburg, Montgomery County, MD

This dataset contains digitized land use/land cover (LULC) for the years 2011, 2015, and 2017. The dataset contains 1-meter resolution raster maps for each year covering the geographic area for six watersheds within and near the Clarksburg Special Protection Area located in Montgomery County, Maryland, USA. The area includes LULC within 500-foot buffered watersheds. Watershed bounda

Date published: August 12, 2019

Concentrations of inorganic and organic analytes in a national reconnaissance of urban stormwater runoff to surface water and groundwater in the United States

This dataset contains results for samples collected at stormwater basins across the United States to assess the potential contaminant pathways of these basins to surface water and groundwater. Sample sites were in stormwater conveyance infrastructure that discharged mixed stormwater runoff from buildings, parking lots, roads, and other infrastructure in residential, commercial, and indu

Date published: June 19, 2019

SPARROW model dataset for total suspended solids in North Carolina, including simulated stream loads

To better understand the influence of human activities and natural processes on surface-water quality, the U.S. Geological Survey (USGS) developed the SPARROW (SPAtially Referenced Regressions On Watershed attributes) (Schwarz and others, 2006; Alexander and others, 2008) model. The framework is used to relate water-quality monitoring data to sources and watershed characterist

Date published: June 19, 2019

SPARROW model datasets for total nitrogen and total phosphorus in North Carolina, including simulated stream loads

To better understand the influence of human activities and natural processes on surface-water quality, the U.S. Geological Survey (USGS) developed the SPARROW (SPAtially Referenced Regressions On Watershed attributes) (Schwarz and others, 2006; Alexander and others, 2008) model. The framework is used to relate water-quality monitoring data to sources and watershed characterist

Date published: May 28, 2019

Lake Lanier Carbon, Nitrogen, totals and stable isotopes

Total carbon and nitrogen concentrations, and delta carbon-13 and delta nitrogen-15 stable isotope ratios, were determined in sediment samples to potentially identify the sources of organic matter in the sediment and any post-depositional diagenetic alteration of the organic matter over time.

Date published: May 28, 2019

Lake Lanier Cesium-137

Specific activities of cesium-137 in picoCuries per gram were determined for selected samples from the Lake Lanier cores. The laboratory standard deviation and the sample-specific reporting levels are included for each sample.

Date published: May 28, 2019

Lake Lanier phosphorus and metals

This data set contains concentrations of phosphorus and 48 other elements determined on core samples collected in Lake Lanier.

Date published: May 28, 2019

Porosity, dry bulk density, and mass accumulation rates

Porosity, dry bulk density, and average mass accumulation rates, and estimated date of the mid-point of each sediment interval were determined for ten sediment cores retrieved from Lake Lanier in 2018. Physical properties of the sediment (porosity, dry bulk density) were used to help define the pre-reservoir surface and determine the average mass accumulation rate of sediment. This w