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

Try the next-generation Data Catalog at catalog-beta.data.gov and help shape it with your feedback.

23 datasets found
  • 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

    EPA Envirofacts API

    U.S. Environmental Protection Agency —

    Envirofacts integrates information from a variety of EPA's environmental databases. Each of these databases contains information about facilities that are required to...
  • Federal

    Chemical Data Access Tool

    U.S. Environmental Protection Agency —

    This tool is intended to aid individuals interested in learning more about chemicals that are manufactured or imported into the United States. Health and safety...
  • 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

    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...
  • Federal

    EPA Envirofacts API

    U.S. Environmental Protection Agency —

    Envirofacts integrates information from a variety of EPA's environmental databases. Each of these databases contains information about facilities that are required to...
  • Federal

    IBWC_Monitoring_Data

    U.S. Environmental Protection Agency —

    Twenty four months of daily water quality results (Daily sediment loads, concentrations of Fecal Indicator Bacteria) will be made available electronically and shared...
  • 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

    BSEE Linear Boom In Situ Oil Burn Data

    U.S. Environmental Protection Agency —

    The efficiency of simulated at-sea surface oil burns (in situ burns, ISB) was determined while testing varied boom configurations and air-assist nozzles to improve...
  • Federal

    Unregulated Contaminant Monitoring Rule 3 (UCMR 3), (2013-2015) Occurrence Data

    U.S. Environmental Protection Agency —

    The third Unregulated Contaminant Monitoring Rule (UCMR 3), conducted under EPA oversight, was published in the Federal Register on May 2, 2012. UCMR 3 requires...
  • 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

    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 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...
  • Federal

    Unregulated Contaminant Monitoring Rule 3 (UCMR 3), (2013-2015) Occurrence Data

    U.S. Environmental Protection Agency —

    The third Unregulated Contaminant Monitoring Rule (UCMR 3), conducted under EPA oversight, was published in the Federal Register on May 2, 2012. UCMR 3 requires...
  • 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

    Trash Taxonomy: California Data Management Subcommittee for Trash Monitoring Workgroup

    U.S. Environmental Protection Agency —

    This data set corresponds to the Trash Taxonomy Tool (TTT) web-based application with query features and open access at openanalysis.org/trashtaxonomy. The TTT can be...
  • 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

    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

    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

    Contaminant Candidate List 3

    U.S. Environmental Protection Agency —

    CCL 3 is a list of contaminants that are currently not subject to any proposed or promulgated national primary drinking water regulations, that are known or...
23 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.