344 datasets found
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Federal
Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: STATSGO Soil Characteristics, Layer Attributes
Department of the Interior —
This tabular data set represents the STATSGO Soil Layer Attributes compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the... -
Federal
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Estimated Mean Annual Natural Groundwater Recharge, 2002
Department of the Interior —
This data set represents the mean annual natural groundwater recharge, in millimeters, compiled for every catchment of NHDPlus for the conterminous United States. The... -
Federal
Areas with access to municipal sewer service in the United States Pacific Northwest for 2002
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent areas that had access to municipal sewer service in the Pacific Northwest region... -
Federal
Groundwater Usage for Public Supply by County in the Glaciated Conterminous United States
Department of the Interior —
The Groundwater Usage for Public Supply dataset contains attributes pertaining to groundwater use in the glaciated conterminous United States summarized by county.... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Input data set for water input (gwava-dw_wtin)
Department of the Interior —
This data set represents "water input," the ratio of the total area of irrigated land to precipitation, in square kilometers per centimeter, in the conterminous... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Input data set for drainageditch (gwava-dw_ddit)
Department of the Interior —
This data set represents the area of National Resources Inventory surface drainage, field ditch conservation practice, in square kilometers, in the conterminous... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Estimated Rate of Toxicity Weighted Use on Agricultural Land, 2009
Department of the Interior —
This tabular data set represents the estimated toxicity weighted use of pesticides on fish, benthic invertebrates and cladocerans on agricultural land in kilograms... -
Federal
Extent of soil with very high phosphorus retention potential in the United States Pacific Northwest
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the extent of soils with very high levels of phosphorus retention potential in the... -
Federal
Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: STATSGO Soil Characteristics, Soil Salinity
Department of the Interior —
This tabular data set represents the STATSGO soil layer attribute, salinity, compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for... -
Federal
Select Groundwater-Quality and Quality-Control Data from the National Water-Quality Assessment Project 2019 to Present (ver. 4.0, April 2025)
Department of the Interior —
Groundwater samples were collected and analyzed from 1,015 wells as part of the National Water-Quality Assessment Project of the U.S. Geological Survey National... -
Federal
Data for Arsenic Variability and Groundwater Age in Three Water-Supply Wells in Southeast New Hampshire
Department of the Interior —
Three wells in New Hampshire were sampled bimonthly over three years to evaluate the temporal variability of arsenic concentrations and groundwater age. All samples... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in shallow, recently recharged ground water -- Input data set for water input (gwava-s_wtin)
Department of the Interior —
This data set represents "water input," the ratio of the total area of irrigated land to precipitation, in square kilometers per centimeter, in the conterminous... -
Federal
Attributes for NHDPlus Version 2.1 Reach Catchments and Modified-Routing Upstream Watersheds for the Conterminous United States: Monthly Average Temperature (Celsius) from 1945 - 2015
Department of the Interior —
This tabular data set represents monthly average temperature values (Celsius) described in Wolock and McCabe (2018), compiled for the NHDPlus version 2 data suite... -
Federal
Data for Time Scales of Arsenic Variability and the Role of High-Frequency Monitoring at Three Water-Supply Wells in New Hampshire, USA
Department of the Interior —
This data release consists of data (in four tables) for assessing the time scales of arsenic variability in three production wells in New Hampshire; tables that... -
Federal
Data for three-dimensional distribution of groundwater residence time metrics in the glaciated United States using metamodels trained on general numerical simulation models
Department of the Interior —
Residence time distribution (RTD) is a critically important characteristic of groundwater flow systems; however, it cannot be measured directly. RTD can be inferred... -
Federal
Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Annual Average Actual Evapotranspiration (millimeters) from 2014 - 2015
Department of the Interior —
This tabular data set represents annual average actual evapotranspiration values (millimeters) described in Wolock and McCabe (2017), compiled for the NHDPlus version... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Bedrock Permeability Classes
Department of the Interior —
This tabular data set represents bedrock permeability classes compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: NLCD 2001 Percent Imperviousness in 100 Meter Riparian Buffer
Department of the Interior —
This tabular data set represents NLCD 2001 percent imperviousness in the 100 meter riparian buffer zones compiled for two spatial components of the NHDPlus version 2... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Input data set for confined manure (gwava-dw_conf)
Department of the Interior —
This data set represents the average annual nitrogen input from confined animal manure, 1992 and 1997, in kilograms per hectare, in the conterminous United States.... -
Federal
Data for assessing the susceptibility of groundwater used for drinking water supply from selected principal aquifers of the Western United States, 2004-2018
Department of the Interior —
Groundwater age distribution and susceptibility to natural and anthropogenic contaminants were assessed for selected principal aquifers of the Western United States:...
344 datasets found