Data Catalog

• 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 State Revolving Fund

  U.S. Environmental Protection Agency —

  The Drinking Water State Revolving Fund (DWSRF) National Information Management System collects information that provide a record of progress and accountability for...
• Federal

  National Contaminant Occurrence Database (NCOD)

  U.S. Environmental Protection Agency —

  NCOD is a repository of drinking water quality data to be made available to EPA decision makers and the public.
• 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

  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

  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

  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

  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

  Unregulated Contaminant Monitoring Program Data

  U.S. Environmental Protection Agency —

  EPA uses the Unregulated Contaminant Monitoring (UCM) program to collect data for contaminants suspected to be present in drinking water, but that do not have health-...

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