22 datasets found
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Federal
Safe Drinking Water Information System (SDWIS) Federal Reports Advanced Search Tool
U.S. Environmental Protection Agency —
A database where EPA has compiled data on public drinking water systems and whether they have certain drinking water violations. This data is collected by the states... -
Federal
EPA Long-Term Monitoring of Acidified Surface Waters
U.S. Environmental Protection Agency —
This dataset compiled surface water chemistry data from 1980 to 2024. Data were collected in four regions in the eastern United States (Virginia streams, New York... -
Federal
Water Quality data CP
U.S. Environmental Protection Agency —
The Water Quality Dataset contains field and laboratory data that were collected at a field-scale permeable reactive barrier. Environmental samples were collected... -
Federal
Nitrogen-Sparging Assisted Anoxic Biological Drinking Water Treatment System
U.S. Environmental Protection Agency —
data comparing denitrification reactors operated in the lab. This dataset is associated with the following publication: Keithley, A., P. Woodruff, D. Williams, N.... -
Federal
Soil Health Dataset from Kansas Farms 2023-2024
U.S. Environmental Protection Agency —
A workbook of all the soils data collected near Holton, Kansas, in agricultural fields. Laboratory analysis of soil properties was completed by Ward Labs in Kearny... -
Federal
Coupling the dual-isotope indicators of water and nitrate indicates legacy groundwater pollution
U.S. Environmental Protection Agency —
Shallow groundwater samples were collected since 2006 for routine analysis by ODEQ from 16 domestic wells (installation dating from the 1970s) and 23 ODEQ groundwater... -
Federal
Fish River Watershed Wetland Nutrient Modeling Data
U.S. Environmental Protection Agency —
The data are: 1) compilation of field observed nutrient and hydrometeorological data for the Upper Fish River Watershed (UFRW); 2) wetland and GIS data downloaded... -
Federal
Ion Exchange, Batch Kinetics Studies Using Centrifugal Stirrer Devices, Nitrate Dataset (Oct 2024)
U.S. Environmental Protection Agency —
Batch experiments were conducted with strong-base anion exchange (SBA) resins using centrifugal stirrer devices to accurately determine intraparticle mass transfer... -
Federal
Catchments and Variables Used for Random Forest Classification and Regression Groundwater and Surface Water Models for Nitrate Violation classes, Violation concentrations, or Percent of Systems in Violation for Public Drinking Water Supplies
U.S. Environmental Protection Agency —
This research used public drinking water nitrate violations data from across the conterminous United States as response variables, and various predictor variables... -
Federal
Arsenic Safe Drinking Water Information System (SDWIS) Federal Reports Advanced Search Tool
U.S. Environmental Protection Agency —
This data includes information on Arsenic violations in the US, including time patterns and spatial patterns in Arsenic violations, and people served by systems in... -
Federal
The reduction of summer sulfate and switch from summer to winter PM2.5 concentration maxima in the U.S.
U.S. Environmental Protection Agency —
These four files each contain 24-hour PM2.5 concentrations collected between 2000-2015. This dataset is associated with the following publication: Chan, E., B. Gantt,... -
Federal
Human-health impacts of controlling secondary air pollution precursors
U.S. Environmental Protection Agency —
Dataset includes CMAQv5.3.1 code used for emission reduction simulations and output from CMAQ for each pollutant at the county level. -
Federal
Vadose Zone Corvallis
U.S. Environmental Protection Agency —
This field study was designed to test different methods for measuring water and nutrient transport throughout the vadose zone. A pilot study was implemented to... -
Federal
Ion Exchange Column Model, Inorganic Anions Dataset (Sep 2022)
U.S. Environmental Protection Agency —
An ion exchange column model was developed and validated for inorganic ions to understand potential unintended consequences during PFAS treatment. This dataset is... -
Federal
Cost modeling data
U.S. Environmental Protection Agency —
The associated excel files hold the cost predictions for nitrate and perchlorate treatment based on a series of assumptions outlined in the paper. No experimental... -
Federal
Data from: Eating the metaphorical elephant: Meeting Nitrogen Reduction Goals in Upper Mississippi River Basin States
Department of Agriculture —
The hypoxic zone in the Gulf of Mexico is the world's second largest. In 2008, the Hypoxia Task Force directed states in the Mississippi River Basin to develop plans... -
Federal
NRSA chemistry in sites <1000m2 with deposition as largest source Lassiter paper
U.S. Environmental Protection Agency —
Stream N and other water chemistry measurements originate from three national-scale, randomized, unequally weighted probability surveys of the U.S. EPA's National... -
Federal
Positive correlation between wood δ15N and stream nitrate in two temperate deciduous forests
U.S. Environmental Protection Agency —
This dataset provides time series of tree ring N isotopes for individual trees and corresponding time series of temperature, precipitation, atmospheric N deposition,... -
Federal
Deep soil nitrogen storage slows nitrate leaching through the vadose zone [dataset]
U.S. Environmental Protection Agency —
This field study was designed to evaluate how nitrate leaching rates change with depth and how seasonal and annual variation in management (e.g., fertilizer input...
22 datasets found