Lower Mississippi-Gulf Water Science Center

Data and Tools

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Real-time data:

Streamflow:   AL || AR || LA || MS || TN

Water quality:   AL || AR || LA || MS || TN

Groundwater levels:    AL || AR || LA || MS || TN

Precipitation:    AL || AR || LA || MS || TN

Water use:    AR || LA || MS || TN

Additional Information: USACE River Gages, NOAA Lower Mississippi River Forecast Center, NOAA South Atlantic Gulf River Forecast Center, NOAA Southeast River Forecast Center.

USGS StreamStats

USGS StreamStats

StreamStats users can select USGS data-collection station locations shown on a map and obtain previously published information for the stations.

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USGS WaterWatch

USGS WaterWatch

WaterWatch is a U.S. Geological Survey (USGS) World Wide Web site that displays maps, graphs, and tables describing real-time, recent, and past streamflow conditions for the United States.

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USGS NWISWeb

USGS NWISWeb

These pages provide access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American Samoa and the Commonwealth of the Northern Mariana Islands.

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Filter Total Items: 238
Date published: May 7, 2020

Groundwater-altitude data, from monitoring-networks wells, considered for the potentiometric-surface map, Mississippi River Valley alluvial aquifer, spring 2018

This dataset contains groundwater (GW)-altitude (ALT) data from wells that was used or considered to create a potentiometric-surface map for the Mississippi River Valley alluvial (MRVA) aquifer for spring 2018. The groundwater-altitude data was referenced to the North American Vertical Datum of 1988 (NAVD 88). Most of the wells were measured annually, but some wells were measur

Date published: May 7, 2020

Surface-water-altitude data, from streamgages, considered for the potentiometric-surface map, Mississippi River Valley alluvial aquifer, spring 2018

This dataset contains surface-water-altitude (SWA) data from streamgages that was used or considered to create a potentiometric-surface map for the Mississippi River Valley alluvial (MRVA) aquifer for spring 2018. The surface-water-altitude data was referenced to the North American Vertical Datum of 1988 (NAVD 88). The streamgages are measured continuously. The streamgage measurement

Date published: May 7, 2020

Potentiometric surface, Mississippi River Valley alluvial aquifer, spring 2018, raster format, in feet

This dataset is the raster, in feet, of the potentiometric-surface map, spring 2018, Mississippi River Valley alluvial (MRVA) aquifer. The raster cell size is 1,000 meters; the raster altitude data was referenced to the North American Vertical Datum of 1988 (NAVD 88). The raster was interpolated using (1) most of the available groundwater-altitude data from wells and surfa

Date published: May 7, 2020

Spatial dataset of the potentiometric-surface contours, Mississippi River Valley alluvial aquifer, spring 2018, in feet

This dataset contains the contours, in feet, of the potentiometric-surface, spring 2018, Mississippi River Valley alluvial (MRVA) aquifer. The contours are referenced to the North American Vertical Datum of 1988 (NAVD 88). The contours were derived from most of the available groundwater-altitude data from wells and surface-water-altitude data from streamgages, measured in for sp

Date published: May 7, 2020

Potentiometric surface, Mississippi River Valley alluvial aquifer, spring 2018, raster format, in meters

This dataset is the raster, in meters, of the potentiometric-surface map, spring 2018, Mississippi River Valley alluvial (MRVA) aquifer. The raster cell size is 1,000 meters; the raster was referenced to the North American Vertical Datum of 1988 (NAVD 88). The raster, in feet, was interpolated using most of the available groundwater-altitude data from wells, surface-wate

Date published: April 28, 2020

Inundation predictions for vernal pools of the northeastern United States at various seasonal time points under various weather and climate scenarios

This data release includes data-processing scripts, data products, and associated metadata for a study to model the hydrology of several hundred vernal pools (i.e., seasonal pools or ephemeral wetlands) across the northeastern United States. The dataset described in this metadata document contains predicted wetness probability (PWP) values for vernal pools under a variety of weather

Date published: April 28, 2020

Inundation observations, climate data, and landscape attributes for vernal pools of the northeastern United States

This data release includes a data-processing script, data products, and associated metadata for a study to model the hydrology of several hundred vernal pools (seasonal pools or ephemeral wetlands) across the northeastern United States. The dataset described in this metadata document consists of several components: (1) pool-specific attributes including name and geographic location%

Date published: April 22, 2020

Estimated Groundwater Withdrawals from Principal Aquifers in the United States—County Level Data for 2015

This dataset contains estimates of water withdrawals from 66 principal aquifers and "other" non-principal aquifers during 2015 for various categories of use in each county or county equivalent in the United States, Puerto Rico, and the U.S. Virgin Islands. The U.S. Geological Survey's (USGS) National Water Use Science Project is responsible for compiling and disseminating the Natio

Date published: March 4, 2020

Region 4

Flood region boundary for region 4.

Date published: March 4, 2020

Region 1

Flood region boundary for region 1.

Date published: March 4, 2020

Region 2

Flood region boundary for region 2.

Date published: March 4, 2020

Region 3

Flood region boundary for region 3.