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The Safe Drinking Water Information System (SDWIS) contains information about public water systems and their violations of EPA's drinking water regulations.
Search relevance: 1.00 | Views last month: 216 | Catalog Last Checked: May 01, 2026 at 06:08 PM -
The Air Quality System (AQS) database contains measurements of air pollutant concentrations from throughout the United States and its territories. The measurements include both criteria air...
Search relevance: 1.00 | Views last month: 53 | Catalog Last Checked: July 15, 2026 at 02:05 PM -
The AQS Data Mart is a database that contains all of the information from the AQS system. It is a storehouse of air quality information that allows users to make queries of unlimited quantities...
Search relevance: 1.00 | Views last month: 34 | Catalog Last Checked: July 09, 2026 at 12:46 PM -
The Envirofacts Data Warehouse contains information from select EPA Environmental program office databases and provides access about environmental activities that may affect air, water, and land...
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The Facility Registry Service (FRS) provides an integrated source of comprehensive (air, water, and waste) environmental information about facilities across EPA, states, tribes and other "places"...
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Section 8(e) of the Toxic Substances Control Act (TSCA) requires U.S. chemical manufacturers, importers, processors and distributors to notify EPA within 30 calendar days of new, unpublished...
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This dataset contains relative and absolute forecasts of emissions through 2020 for landfills, natural gas and oil systems, coal mines, manure management and enteric fermentation. See the full...
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In response to the BP oil spill, EPA monitored sediment near the spill. While emergency response data collection has ended, results continue to be available on this site.
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The PCB Residue Effects (PCBRes) Database was developed to assist scientists and risk assessors in correlating PCB and dioxin-like compound residues with toxic effects. The purpose is to develop...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 06, 2026 at 12:38 AM -
The Biota-Sediment Accumulation Factor contains approximately 20,000 biota-sediment accumulation factors (BSAFs) from 20 locations (mostly Superfund sites) for nonionic organic chemicals and...
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This data exchange allows states to submit data to the US Environmental Protection Agency's National Emissions Inventory (NEI). NEI is a national database of air emissions information including...
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The Ecotoxicology Database (ECOTOX) provides information on effects of single chemicals to ecologically-relevant species.
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The Environmental Monitoring and Assessment Program (EMAP) National Coastal Database contains estuarine and coastal data that EMAP and Regional-EMAP have collected since 1990 from thousands of...
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The Permit Compliance System (PCS) provides information on companies which have been issued permits to discharge waste water into rivers.
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The Building Assessment Survey and Evaluation (BASE) study was a five year study to characterize determinants of indoor air quality and occupant perceptions in representative public and commercial...
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Air Trends provides geographic trend information for specific air pollutants. There are links to two types of summaries provided on this page - air quality trends and air quality design values....
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The AirData site provides access to yearly summaries of United States air pollution data, taken from EPA's air pollution databases. AirData has information about where air pollution comes from...
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The Polychlorinated Biphenyls (PCB) Transformer Registration Database tracks geographic and dated information of registered PCB transformers.
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The Toxic Substances Control Act (TSCA) requires that data be developed on the effect of chemical substances and mixtures on health and the environment. This data source collects the applicable...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 06, 2026 at 12:33 AM
