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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
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
Assessing PM2.5 Model Performance for the Conterminous U.S. with Comparison to Model Performance Statistics from 2007-2015
U.S. Environmental Protection Agency —
Dataset includes links to CMAQ codes, evaluation of model predictions against network data, and additional supporting information. This dataset is associated with the... -
Federal
CMAQ v5.5 Annual 2023 Gridded Predictions Across the US and Canada (v1.0)
U.S. Environmental Protection Agency —
CMAQ v5.5 Annual 2023 Gridded Predictions Across the US and Canada Data contact: Havala Pye, ORCID: 0000-0002-2014-2140 This dataset provides daily predictions of... -
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
Denitrification rates across a temperate North Pacific estuary, Yaquina Bay, Oregon
U.S. Environmental Protection Agency —
The extent and temporal variability of denitrification activity was measured in Yaquina Bay, Oregon, over a year using sediment cores collected approximately monthly... -
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
Wildfire and Public Drinking Water Datasets
U.S. Environmental Protection Agency —
These datasets contain the public drinking water contaminant violation, concentration data, wildfire data, and other supplementary datasets used to assess the impact... -
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
Modeling the current and future roles of particulate organic nitrates in the southeastern US
U.S. Environmental Protection Agency —
Links point to the NOAA data archive of observational data and the supplement of the article which this data supports. No model data was uploaded due to its size. All... -
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
Data supporting Modeling the Oxygen Isotope Anomaly of Reactive Nitrogen in the Community Multiscale Air Quality (CMAQ) Model
U.S. Environmental Protection Agency —
The data contains CMAQ fortran model code and shell scripts used for configuration in the work of Walters et al. Links are provided to base (unmodified) CMAQ release... -
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
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
Freshwater Salinization Syndrome limits management efforts to improve water quality
U.S. Environmental Protection Agency —
water chemistry collected across multiple streams in the Chesapeake Bay area. This dataset is not publicly accessible because: data maintained and owned by University... -
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...