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Field blank and field replicate datasets for inorganic and organic compounds ...
The U.S. Geological Survey (USGS) National Water Quality Network - Rivers and Streams (NWQN) comprises 117 surface-water monitoring sites designed to track ambient water-quality... -
Water-Quality Data and Geophysical Logs for Determination of Saline Groundwat...
The availability of groundwater-quality data along with geophysical information for relatively deep wells (wells generally more than 300 feet deep) containing saline water... -
Groundwater-quality data in the Modesto-Turlock-Merced Domestic-Supply Aquife...
The U.S. Geological Survey collected groundwater samples from 71 wells used for domestic and small system drinking water supplies in Stanislaus and Merced counties of California... -
Lake Ontario Nearshore Nutrient Study (LONNS), 2018, Lake Ontario, New York
From April through September of 2018, water-quality data were collected at 35 locations from select tributaries, embayments, and nearshore lake locations along New York's... -
Inputs and Selected Outputs Used to Assess Spatial and Temporal Patterns in S...
Nitrogen (N), phosphorus (P), and suspended-sediment (SS) loads, in Fairfax County, Virginia streams have been calculated using monitoring data from five intensively monitored... -
Data Release for Water-quality and chemical loading data from the Geronimo Cr...
Located in south-central Texas, the Geronimo Creek and Plum Creek watersheds have long been characterized by elevated nitrate concentrations. From April 2015 through March 2016,... -
Caribou Forage and Soil Data, North Slope of Alaska, 2011-2014
These data are nutrient concentrations of seven key forage-plant species in the ranges of three caribou herds, in northern Alaska. During the growing seasons of 2011-2014, we... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents the area of National Resources Inventory surface drainage, field ditch conservation practice, in square kilometers, in the conterminous United States.... -
GLM-AED calibration inputs and outputs
In this data release, we provide data to describe the water quality in Green Lake, Wisconsin, from 1905 to 2020, primarily the constituents for which it is impaired, including... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
This data set represents the amount of clay sediment in the soil, in percent times 1000, in the conterminous United States. The data set was used as an input data layer for a... -
Eutrophication models to simulate changes in the water quality of Green Lake,...
In this data release, we provide data to describe the water quality in Green Lake, Wisconsin, from 1905 to 2020, primarily the constituents for which it is impaired, including... -
Nutrient levels in surface waters of the Conasauga River and other tributarie...
Data Release for Report describes surface-water nutrient concentrations from multiple sites on the Conasauga River in northern Georgia in comparison with rivers in adjacent... -
Vulnerability of shallow ground water and drinking-water wells to nitrate in ...
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 United States.... -
Water-quality and streamflow datasets used for estimating loads considered fo...
The United States Geological Survey’s (USGS) SPAtially Referenced Regressions On Watershed attributes (SPARROW) model was developed to aid in the interpretation of monitoring... -
Nutrients, Escherichia coli, and microbial source tracking markers in surface...
Concerns exist that the degradation of water quality in Salado Creek near Salado, Texas could adversely affect recreational uses and harm salamander populations that live in and... -
Nutrient levels in surface waters of the Conasauga River and other tributarie...
Data Release for Report describes surface-water nutrient concentrations from multiple sites on the Conasauga River in northern Georgia in comparison with rivers in adjacent... -
Assessment of nutrients and water-quality constituents at the Sacramento-San ...
This report documents the spatial and temporal variability of nutrients and related water quality parameters at high spatial resolution in the North Delta in the Sacramento-San... -
Stormwater-quality data in the control and test catchments during the calibra...
The data set contains phosphorus and nitrogen concentrations and loads measured as part of a study to determine if, and by how much, removing leaves and other organic detritus... -
Chesapeake Bay River Input Monitoring Network 1985-2019: Short- and long-term...
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the... -
Chesapeake Bay Nontidal Network 1985-2016: WRTDS output data
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the...
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