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CNT Quantification
Relationships of temperature and CNT mass (SWCNT, MWCNT, MWCNT-COOH) were developed for three environmental matrices (sand, soil and sludge) spiked with known amounts of... -
Drinking Water Maximum Contaminant Levels (MCLs)
National Primary Drinking Water Regulations (NPDWRs or primary standards) are legally enforceable standards that apply to public water systems. Primary standards protect public... -
Integrated Compliance Information System (ICIS)
The purpose of ICIS is to meet evolving Enforcement and Compliance business needs for EPA and State users by integrating information into a single integrated data system that... -
Certification Plan and Reporting Database (CPARD)
CPARD contains (1) EPA-approved State, Tribal and Federal certification plans required by the Federal Insecticide, Fungicide, Rodenticide Act to administer a certification... -
Adverse Outcome Pathway Database (AOP-DB) version 2
The EPA has developed the Adverse Outcome Pathway Database (AOP-DB) to better characterize adverse outcomes of toxicological interest that are relevant to human health and the... -
PRASA coral survey data
The data were collected by Puerto Rico Aquaduct and Sewer Authority between 1999-2013 and provide the percent coverage of coral taxa at survey sites described in the associated... -
Toxicity Reference Database
The Toxicity Reference Database (ToxRefDB) contains approximately 30 years and $2 billion worth of animal studies. ToxRefDB allows scientists and the interested public to search... -
EPA Facility Registry Service (FRS): RMP
This web feature service contains location and facility identification information from EPA's Facility Registry Service (FRS) for the subset of facilities that link to the Risk... -
EPA Long-Term Monitoring of Acidified Surface Waters
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 lakes and... -
Air Quality System (AQS) Monitoring Network, EPA OAR OAQPS
This GIS dataset contains points which depict air quality monitors within EPA's Air Quality System (AQS) monitoring network. This dataset is updated weekly to reflect the most... -
TSCA Inventory
This dataset consists of the non confidential identities of chemical substances submitted under the Toxic Substances Control Act (TSCA). TSCA was enacted to ensure that... -
AirData AQS REST API
A REST web service API allowing the retrieval of historical air quality data from EPA. -
Facility Registry Service (FRS)
The Facility Registry Service (FRS) provides an integrated source of comprehensive (air, water, and waste) environmental information about facilities across EPA, states, tribes... -
Ambient Air Quality Data Inventory
The Office of Air and Radiation's (OAR) Ambient Air Quality Data (Current) contains ambient air pollution data collected by EPA, other federal agencies, as well as state, local,... -
Uranium Location Database
A GIS compiled locational database in Microsoft Access of ~15,000 mines with uranium occurrence or production, primarily in the western United States. The metadata was... -
Rare Earth Element data from Acid Mine Drainage and Refuse Piles in Shamokin, Pennsylvania
These datasets include characterization results for acid mine drainage (AMD) and coal refuse samples collected around Shamokin, Pennsylvania in May 2024. These datasets report... -
IHS Sea-web Ship Details and Technical Specifications
This data is a CSV file containeing ship technical details from IHS Sea-web. This dataset is not publicly accessible because: EPA cannot release CBI, or data protected by... -
National List of Beaches
EPA has published a list of coastal recreation waters adjacent to beaches (or similar points of access) used by the public in the U.S. The list, required by the Beaches... -
Air Emissions/IGD: EF_ICIS_AIR
EF_ICIS_AIR is a subset of facilities from FRS_PROGRAM_FACILITY and associated best-available geospatial coordinates. Facility Registry Service (FRS) data are refreshed daily.... -
EnviroAtlas - Estimated floodplain map for the Conterminous United States
Understanding the relationship between flood inundation and floodplains is critical for ecosystem and community health and well-being, as well as targeting floodplain and...
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