Catalog - Data.gov

Lumped parameter models of groundwater age and noble gas models of recharge conditions in support of Groundwater and Surface-Water Resources near Red Fleet Reservoir, Uintah County, UtahLumped parameter models of groundwater age and noble gas models of recharge conditions in support of Groundwater and Surface-Water Resources near Red Fleet Reservoir, Uintah County, Utah

Organization: Department of the Interior
Updated: 20200827 | Harvested: July 17, 2025 at 08:37 PM

This data release documents four Microsoft Excel tables; one contains data for understanding water ages, one contains noble gas model data, two that describe the data fields. Results described...

xml
xml

Water-table contours and well numbers used to map groundwater-level change and groundwater storage change in 2023 in the regional aquifer and perched groundwater zone in Mountain Home area, southern Idaho

Organization: Department of the Interior
Updated: 20250117 | Harvested: July 15, 2025 at 07:11 PM

Groundwater in the arid Mountain Home area is vital to agricultural, municipal, industrial and other water users who are concerned about declining groundwater levels. The U.S. Geological Survey,...

xml
xml

Groundwater-level data in support of groundwater- and surface-water-interactions report—Groundwater and Surface-Water Interactions in the Lower Duwamish Waterway, Seattle, Washington

Organization: Department of the Interior
Updated: 20240918 | Harvested: July 16, 2025 at 12:24 AM

The U.S. Geological Survey (USGS), in cooperation with the Washington State Department of Ecology (Ecology), conducted a study to describe the current understanding of the regional groundwater...

xml
xml

Groundwater-level altitude and groundwater-level change maps developed for the groundwater component of the upper Rio Grande Focus Area Study

Organization: Department of the Interior
Updated: 20200929 | Harvested: July 17, 2025 at 08:25 PM

This part of the data release contains the raster representation of the groundwater-level altitude and groundwater-level change maps developed every 5 years from 1980 to 2015 for the upper Rio...

xml
xml

Groundwater potentiometric-surface contours and well numbers used to map groundwater potentiometric-surface altitude in 2022 and groundwater-level changes between 1968, 1991, and 2022 in the alluvial aquifer in the Big Lost River Valley, south-central Idaho

Organization: Department of the Interior
Updated: 20230927 | Harvested: July 16, 2025 at 08:42 AM

Groundwater potentiometric-surface contours for spring 2022 (April 4 to 8, 2022) and autumn 2022 (October 30 to November 4, 2022) were created for the alluvial aquifer in Big Lost River Valley....

xml
xml

Data for evaluating sustainable management of groundwater-quality and trends for groundwater basins in the Gilroy-Hollister Valley and northern San Joaquin Valley, California

Organization: Department of the Interior
Updated: 20250730 | Harvested: September 04, 2025 at 07:58 PM

This data release documents five tables and one geographic information systems shapefile feature used to evaluate groundwater quality and concentration trends for groundwater basins in the...

xml
xml

Groundwater-Level Altitudes and Long-term Groundwater-Level Changes in the Chicot, Evangeline, and Jasper Aquifers, Houston-Galveston Region, Texas, 2018

Organization: Department of the Interior
Updated: 20200827 | Harvested: July 18, 2025 at 03:23 AM

The U.S. Geological Survey (USGS) in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, and Lone Star Groundwater Conservation District has...

xml
xml

Groundwater-level altitudes and long-term groundwater-level Changes in the Chicot, Evangeline, and Jasper aquifers, Houston-Galveston Region, Texas, 2019

Organization: Department of the Interior
Updated: 20200827 | Harvested: July 18, 2025 at 12:15 AM

The U.S. Geological Survey (USGS) in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, and Lone Star Groundwater Conservation District has...

xml
xml

Groundwater Drought Metrics for Selected Groundwater Wells in the conterminous U.S. from 1981-2020 and from 2001-2020

Organization: Department of the Interior
Updated: 20250902 | Harvested: September 04, 2025 at 08:11 PM

This metadata record describes a series of datasets containing metrics used to characterize drought for groundwater wells in the conterminous United States (CONUS). This data is associated with a...

xml
xml

Groundwater-level altitudes and long-term groundwater-level Changes in the Chicot, Evangeline, and Jasper aquifers, Houston-Galveston Region, Texas, 2020

Organization: Department of the Interior
Updated: 20200827 | Harvested: July 16, 2025 at 03:39 PM

The U.S. Geological Survey (USGS) in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, and Lone Star Groundwater Conservation District...

xml
xml

MODFLOW6 groundwater flow model, MODPATH particle-tracking simulation, and groundwater-transported nitrogen load model of average monthly conditions in coastal Connecticut and adjacent areas of New York and Rhode Island, 1993-2022

Organization: Department of the Interior
Updated: 20240927 | Harvested: July 16, 2025 at 12:00 AM

A groundwater flow model simulating average monthly conditions, using MODFLOW6, was developed to better understand groundwater flow and groundwater-transported nitrogen loads in coastal...

xml
xml

Groundwater-Level Altitudes and Long-Term Groundwater-Level Changes in the Chicot and Evangeline (Undifferentiated) and Jasper Aquifers, Greater Houston area, Texas, 2021

Organization: Department of the Interior
Updated: 20220822 | Harvested: July 16, 2025 at 11:22 AM

The U.S. Geological Survey (USGS) in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District, and...

xml
xml

Groundwater-Level Altitudes and Long-Term Groundwater-Level Changes in the Chicot and Evangeline (Undifferentiated) and Jasper Aquifers, Greater Houston area, Texas, 2022

Organization: Department of the Interior
Updated: 20230308 | Harvested: July 16, 2025 at 09:54 AM

The U.S. Geological Survey (USGS) in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District, and...

xml
xml

Groundwater-Level Altitudes and Long-Term Groundwater-Level Changes in the Chicot and Evangeline (undifferentiated) and Jasper aquifers, greater Houston area, Texas, 2024

Organization: Department of the Interior
Updated: 20250512 | Harvested: September 05, 2025 at 08:27 PM

The U.S. Geological Survey (USGS) in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District, and...

xml
xml

Groundwater-Level Altitudes and Long-Term Groundwater-Level Changes in the Chicot and Evangeline (Undifferentiated) and Jasper Aquifers, Greater Houston area, Texas, 2023

Organization: Department of the Interior
Updated: 20231017 | Harvested: July 16, 2025 at 08:29 AM

The U.S. Geological Survey (USGS) in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District, and...

xml
xml

MODFLOW-NWT groundwater model used for simulating a potential future pumping scenario and forecasting associated groundwater-level changes in the Hualapai Valley, Northwestern Arizona

Organization: Department of the Interior
Updated: 20210925 | Harvested: July 18, 2025 at 09:28 AM

A numerical groundwater flow model of the Hualapai Valley Basin, using MODFLOW-NWT, was developed to assist water-resource managers in understanding the potential effects of projected...

xml
xml

Update to the Groundwater Withdrawals Database for the Death Valley Regional Groundwater Flow System, Nevada and California, 1913-2016 (ver. 2.0, July 2021)

Organization: Department of the Interior
Updated: 20210727 | Harvested: July 16, 2025 at 12:57 PM

Groundwater withdrawal estimates for 1913-2016 for the Death Valley regional groundwater flow system (DVRFS) are compiled in this Microsoft® Access database to support a regional,...

xml
xml

California Groundwater Ambient Monitoring and Assessment (GAMA) Program Shallow Aquifer Assessment Study Unit Boundaries for Assessment of Groundwater Resources

Organization: Department of the Interior
Updated: 20201228 | Harvested: July 16, 2025 at 01:56 PM

The California Groundwater Ambient Monitoring and Assessment Program (GAMA) is a statewide assessment of groundwater quality designed to help better understand and identify risks to groundwater...

xml
xml

California Groundwater Ambient Monitoring and Assessment (GAMA) Program Domestic-Supply (Shallow) Aquifer Assessment Study Unit Grid Cells for Assessment of Groundwater Resources

Organization: Department of the Interior
Updated: 20250730 | Harvested: August 25, 2025 at 08:20 PM

The California Groundwater Ambient Monitoring and Assessment Program (GAMA) is a statewide assessment of groundwater quality designed to help better understand and identify risks to groundwater...

xml
xml

California Groundwater Ambient Monitoring and Assessment (GAMA) Program Domestic-Supply (Shallow) Aquifer Assessment Study Unit Boundaries for Assessment of Groundwater Resources

Organization: Department of the Interior
Updated: 20240916 | Harvested: July 16, 2025 at 12:42 AM

The California Groundwater Ambient Monitoring and Assessment Program (GAMA) is a statewide assessment of groundwater quality designed to help better understand and identify risks to groundwater...

xml
xml

Search Data.gov