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SDWIS Search for Indian Tribes

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Safe Drinking Water Search for Indian Tribes

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NOTICE: EPA is aware of inaccuracies and underreporting of some data in the Safe Drinking Water Information System. We are working with the states to improve the quality of the data.

This search allows you to retrieve Safe Drinking Water data from the SDWIS database in Envirofacts.

Ways to Search for Tribal Public Water Systems Using SDWIS

Geographic Region Search

View water treatment plants associated with Indian Tribes by selecting a corresponding EPA region on the map.

Water System ID Search

Enter a complete nine-character Water System ID number. If the ID number enter is not nine characters, an error message is displayed. Once the ID number is entered, click on the "Search" button to submit the search.