...to informing restoration efforts in the Florida Everglades
...to tracking storm-related flood conditions through the South Atlantic...
...to investigating coral health in the Florida Keys & Caribbean...
...to assessing environmental contaminants on aquatic life in the Mississippi River Basin...
...USGS science spans the South Atlantic, Gulf States and Caribbean
The Southeast Region includes 13 states and two U.S. territories, Puerto Rico and the U.S. Virgin Islands
The Southeast Region includes 13 states and two U.S. territories, Puerto Rico and the U.S. Virgin Islands
Southeast Region
We conduct impartial, multi- and interdisciplinary research and monitoring to address a broad range of natural-resource issues that affect the quality of life of citizens and landscapes in the Southeastern United States and the Caribbean region.
News
USGS Study Analyzes the Skill of Probabilistic Forecasts of Overwash and Inundation Along the Texas and Louisiana Coast
USGS Study Analyzes the Skill of Probabilistic Forecasts of Overwash and Inundation Along the Texas and Louisiana Coast
USGS: Lithium in Carolinas Could Replace Imports for a Century or More
USGS: Lithium in Carolinas Could Replace Imports for a Century or More
Lithium in Eastern States Could Replace Imports for a Century or More
Lithium in Eastern States Could Replace Imports for a Century or More
Publications
Anthropogenic and geogenic factors affecting groundwater arsenic and potential drinking water exposure in the San Luis Valley, Colorado Anthropogenic and geogenic factors affecting groundwater arsenic and potential drinking water exposure in the San Luis Valley, Colorado
Groundwater arsenic is a serious health threat in many regions with limited surface water drinking supplies. In the San Luis Valley, Colorado, USA, where most residents rely on groundwater for drinking water, elevated groundwater arsenic concentrations (≥5 μg/L) were observed in 19.8% of private wells. Many recent studies have leveraged data science methods to estimate the spatial...
Flood-inundation maps for Río Grande de Arecibo in and near Utuado Municipio, Puerto Rico, 2026 Flood-inundation maps for Río Grande de Arecibo in and near Utuado Municipio, Puerto Rico, 2026
The U.S. Geological Survey (USGS) created digital flood-inundation maps for a 3.4-mile reach of Río Grande de Arecibo in the municipality of Utuado Municipio, Puerto Rico. Water-surface profiles were computed for the stream reach by using a one-dimensional, steady-state, step-backwater model. This model was calibrated to the current (2026) stage-streamflow relation (rating curve number...
Trends and seasonal patterns of nitrogen and phosphorus concentrations and loads in two Mississippi Alluvial Plain watersheds following nutrient reduction efforts during 2010–22 Trends and seasonal patterns of nitrogen and phosphorus concentrations and loads in two Mississippi Alluvial Plain watersheds following nutrient reduction efforts during 2010–22
The Mississippi Alluvial Plain ecoregion in Mississippi was historically part of the largest continuous wetland in North America but was clearcut and converted to row crop agriculture beginning in the late 1800s. To reduce the effects of agriculture on surface waters in the Mississippi Alluvial Plain, nutrient reduction best management practices have been implemented throughout the...
Science
Mobile River Basin Study
The Mobile River Basin in Alabama, Georgia, Mississippi, and Tennessee is one of the 59 study units that are part of the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program. The long-term goals of this program are to describe the status and trends in the quality of a large, representative part of the Nation's surface- and ground-water resources, and to provide a sound...
South Atlantic Water Science Center Drought Monitoring
When rainfall is less than normal for several weeks, months, or years, the flow of streams and rivers declines, water levels in lakes and reservoirs fall, and the depth to water in wells increases. If dry weather persists and water-supply problems develop, the dry period can become a drought.
Triangle Area, NC, Water Supply Monitoring
The Research Triangle area, located within the upper Cape Fear and Neuse River basins, is one of the most rapidly developing areas in the Nation. Growth has increased demand for water from public suppliers, the majority of which draw water from streams and lakes in the region. Growth also brings the threat of greater loads of contaminants and new contaminant sources that, if not properly managed...