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Federal
PCB Data (excel file) and PFAS Data (excel file)
U.S. Environmental Protection Agency —
Analytical and field sampling data for each 2018-2019 NRSA Fish Tissue Study chemical contaminant are provided, along with a data dictionary that describes the... -
Federal
Report on U.S. Methane Emissions 1990-2020: Inventories, Projections, and Opportunities for Reductions: 2001 Updated emission and cost estimates
U.S. Environmental Protection Agency —
This dataset contains relative and absolute forecasts of emissions through 2020 for landfills, natural gas and oil systems, coal mines, manure management and enteric... -
Federal
Global Warming Potentials (GWP) of ODS Substitutes
U.S. Environmental Protection Agency —
This site includes the global warming potential (GWP) of ozone depleting substance substitutes, their atmospheric lifetime, and uses. -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Surface Water Nitrogen Load
U.S. Environmental Protection Agency —
This dataset represents estimated surface water TN load within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Measured as kg Nitrogen. -
Federal
Unregulated Contaminant Monitoring Rule 2 (UCMR 2), (2008-2010) Occurrence Data
U.S. Environmental Protection Agency —
The Unregulated Contaminant Monitoring Rule supporting the second cycle (UCMR 2) of monitoring, conducted under EPA oversight, was published in the Federal Register... -
Federal
Environmental Protection Agency Acquisition System
U.S. Environmental Protection Agency —
Automated contract writing and management system with configurable workflow. EAS is built using a Commercial Off The Shelf Product (PRISM)that also includes the... -
Federal
Historical Ambient Air Quality Data Inventory
U.S. Environmental Protection Agency —
The Historical Ambient Air Quality Data Inventory contains measured and estimated data on ambient air pollution for use in assessing air quality, assisting in... -
Federal
ScienceHub Supplement
U.S. Environmental Protection Agency —
The study created 45 3-year regional climate simulations by downscaling historical reanalysis data using the WRF model. The simulations are not an ensemble, but... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Septic System Density
U.S. Environmental Protection Agency —
This dataset represents density of septic systems within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. The data is based on the 1990... -
Federal
Distribution (State Allotment) of Drinking Water State Revolving Fund Appropriation from the American Recovery and Reinvestment Act of 2009 (ARRA)
U.S. Environmental Protection Agency —
The ARRA appropriation for the DWSRF program is $2,000,000,000. DWSRF allotments are based on percentages derived from the 2003 Drinking Water Infrastructure Needs... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Surface Water Nitrogen Flux
U.S. Environmental Protection Agency —
This dataset represents estimated surface water TN flux within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Measured as kg N/km2. -
Federal
EPA Acquisition Forecast Database
U.S. Environmental Protection Agency —
The EPA Acquisition Forecast Database was developed and is used to post the Agency's anticipated requirements and applicable acquisition strategies. -
Federal
SHEDS-Pb, 2017 Code with Sensitivity Analyses
U.S. Environmental Protection Agency —
Output files for SHEDS-Pb 2022 analysis (2017 SHEDS-IEUBK scenario files and files for the updated sensitivity analyses). This dataset is associated with the... -
Federal
Tissue disposition of bifenthrin in the rat
U.S. Environmental Protection Agency —
Tissue disposition of bifenthrin in the rat and oral and intravenous administration. This dataset is associated with the following publication: Hughes , M., D. Ross ,... -
Federal
Inactivation Data.xlsx
U.S. Environmental Protection Agency —
The data set is a spreadsheet that contains results of inactivation experiments that were conducted to to determine the effectiveness of chlorine in inactivating B.... -
Federal
Data for: A field-based model of the relationship between extirpation of salt-intolerant benthic invertebrates and background conductivity
U.S. Environmental Protection Agency —
The data is provided in 2 zip files that share site identifiers. One data set contains biological (genus benthic invertebrate) data (Data Biological.zip) and the... -
Federal
TempO-seq and RNA-seq gene expression levels are highly correlated for most genes: A comparison using 39 human cell lines
U.S. Environmental Protection Agency —
Journal article published in PLOS One, Vol 20, Issue 5, e0320862, 2025; DOI: https://doi.org/10.1371/journal.pone.0320862; PMC12064016. The datasets generated and... -
Federal
Integrated Strategic Tracking and Recruiting Database (iSTAR) Data Inventory
U.S. Environmental Protection Agency —
The Integrated Strategic Tracking and Recruiting Database (iSTAR) Data Inventory contains measured and modeled partnership and contact data. It is comprised of basic... -
Federal
Contaminant Candidate List 2
U.S. Environmental Protection Agency —
CCL 2 is a list of contaminants that are currently not subject to any proposed or promulgated national primary drinking water regulations, that are known or...