Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means youโ€™ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content
58 datasets found
  • Federal

    1987-2018 cyanobacteria and water quality data for 20 reservoirs

    U.S. Environmental Protection Agency —

    These data include cyanobacteria cell densities (including maximum cell densities observed for each year in each reservoir), annual summer (June-August)...
  • Federal

    Drinking Water Maximum Contaminant Levels (MCLs)

    U.S. Environmental Protection Agency —

    National Primary Drinking Water Regulations (NPDWRs or primary standards) are legally enforceable standards that apply to public water systems. Primary standards...
  • Federal

    Data from: A randomized controlled trial of positive outcome expectancies during high-intensity interval training in inactive adults

    Department of Agriculture —

    Includes accelerometer data using an ActiGraph to assess usual sedentary, moderate, vigorous, and very vigorous activity at baseline, 6 weeks, and 10 weeks. Includes...
  • Federal

    High Production Volume Information System (HPVIS)

    U.S. Environmental Protection Agency —

    The High Production Volume Information System (HPVIS) provides access to select health and environmental effect information on chemicals that are manufactured in...
  • Federal

    Toxic Substances Control Act (TSCA) 8(e) Notices and FYI Submissions

    U.S. Environmental Protection Agency —

    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...
  • Federal

    SDWISFED Drinking Water Data

    U.S. Environmental Protection Agency —

    SDWIS/FED is EPA's national regulatory compliance database for the drinking water program. It includes information on the nation's 160,000 public water systems and...
  • Federal

    Drinking Water Treatability Database (TDB)

    U.S. Environmental Protection Agency —

    The Drinking Water Treatability Database (TDB) presents referenced information on the control of contaminants in drinking water. It allows drinking water utilities,...
  • Federal

    Autism and green space_clean

    U.S. Environmental Protection Agency —

    Autism and green space metrics in California elementary school districts. This dataset is associated with the following publication: Wu, J., and L. Jackson. Inverse...
  • 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

    Toxicity Reference Database

    U.S. Environmental Protection Agency —

    The Toxicity Reference Database (ToxRefDB) contains approximately 30 years and $2 billion worth of animal studies. ToxRefDB allows scientists and the interested...
  • Federal

    Human Exposure Database System (HEDS)

    U.S. Environmental Protection Agency —

    The Human Exposure Database System (HEDS) provides public access to data sets, documents, and metadata from EPA on human exposure. It is primarily intended for...
  • Federal

    Consolidated Human Activities Database (CHAD)

    U.S. Environmental Protection Agency —

    The Consolidated Human Activity Database (CHAD) contains data obtained from human activity studies that were collected at city, state, and national levels. CHAD is...
  • Federal

    ToxCast/ToxRefDB

    U.S. Environmental Protection Agency —

    ToxCast is used as a cost-effective approach for efficiently prioritizing the toxicity testing of thousands of chemicals. It uses data from state-of-the-art high...
  • Federal

    Ozone-depleting Substances (ODS)

    U.S. Environmental Protection Agency —

    This site includes all of the ozone-depleting substances (ODS) recognized by the Montreal Protocol. The data include ozone depletion potentials (ODP), global warming...
  • Federal

    Integrated Risk Information System (IRIS)

    U.S. Environmental Protection Agency —

    EPA?s Integrated Risk Information System (IRIS) is a compilation of electronic reports on specific substances found in the environment and their potential to cause...
  • Federal

    Human Health Benchmarks for Pesticides

    U.S. Environmental Protection Agency —

    Advanced testing methods now allow pesticides to be detected in water at very low levels. These small amounts of pesticides detected in drinking water or source water...
  • Federal

    Six-Year Review Contaminant Occurrence Data

    U.S. Environmental Protection Agency —

    The Safe Drinking Water Act (SDWA) requires EPA to review each National Primary Drinking Water Regulation (NPDWR) at least once every six years and revise them, if...
  • Federal

    Toxics Release Inventory Chemical Hazard Information Profiles (TRI-CHIP) Dataset

    U.S. Environmental Protection Agency —

    The Toxics Release Inventory (TRI) Chemical Hazard Information Profiles (TRI-CHIP) dataset contains hazard information about the chemicals reported in TRI. Users can...
  • Federal

    Contaminant Candidate List 1

    U.S. Environmental Protection Agency —

    CCL 1 is a list of contaminants that are currently not subject to any proposed or promulgated national primary drinking water regulations, that are known or...
  • Federal

    DOE Legacy Management Sites

    Department of Energy —

    Each point is a representation of an U.S. Department of Energy Office of Legacy Management (LM) site. The coordinates of each site point are either the location of a...
58 datasets found

You can also access this registry using the API (see API Docs).

Didn't find what you're looking for? Suggest a dataset here.