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Ground Water and Drinking Water

Drinking Water Data and Reports

Safe Drinking Water Information System (SDWIS) Federal Reporting Services

  • Find data about your public water system including information about system characteristics, sampling data, violations and enforcement

Annual Water Quality Reports (Consumer Confidence Reports)

  • Search EPA's database for your annual water quality report that includes information on source water, the levels of detected contaminants and compliance with drinking water rules

National Occurrence Database

  • Search EPA's database for assembling and maintaining national drinking water contaminant occurrence data on both regulated and unregulated contaminants in public water systems

Drinking Water Mapping Application to Protect Source Waters (DWMAPS)

  • Use EPA’s online mapping tool to help you find information about drinking water in your community

Aircraft Drinking Water Rule (ADWR) Compliance Reports 

  • Find aircraft drinking water information including sample results and system disinfecting operations data as well as information regarding public notification and violations that have been issued