Databases and E-Resources at the Library of Congress

Drinking Water Data & Databases

Access: Publicly available resource

Description: Searchable databases containing data collection by the Environmental Protection Agency on the safety and regulation of drinking water. Database links include:

  • Safe Drinking Water Information System - SDWIS/FED is EPA's national regulatory compliance database for the drinking water program. It includes information on the nation's 170,000 public water systems and violations of drinking water regulations.
  • Unregulated Contaminant Monitoring Rule (UCMR) - EPA uses data generated by the UCMR to evaluate and prioritize contaminants on the Drinking Water Contaminant Candidate List, a list of contaminants EPA is considering for possible new drinking water standards.
  • National Contaminant Occurrence Database (NCOD) - contains occurrence data from both Public Water Systems (PWSs) and other sources (like the U.S. Geological Survey National Water Information System) on physical, chemical, microbial and radiological contaminants for both detections and non-detects.
  • Information Collection Rule (ICR) Federal Database - The ICR database includes research data from an 18-month study of disinfection byproducts and microbial contaminants.
  • Safe Drinking Water Information System: State Version (SDWIS/State)- data system that EPA is developing for states that will improve the quality of drinking water information.
  • Watershed Information Network - WIN helps people learn about the watershed in which they live.
  • Index of Watershed Indicators - IWI is a compilation of information on the "health" of aquatic resources including all watersheds in the lower 48 states.
  • Beach Watch
  • Clean Water Needs Survey
  • Latest National Listing of Fish Consumption Advisories: Database
  • Nutrient Criteria Database
  • Information Collection Rule
  • Water Quality Standards Database


Coverage: Various Dates

Subject(s):
Environmental Studies
Publicly Available Resources

Related DatabasesOn-Site Access Only
Environment Complete
Environmental Sciences and Pollution Management

Related Links
Earth Trends
NWISWeb Data ** http://waterdata.usgs.gov/nwis/ **
** **

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