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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.

Geographic Region Search

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

Map of RegionsRegion 1Region 2Region 3Region 4Region 5Region 6Navajo NationRegion 7Region 8Region 9Region 10Region 10Region 9Region 2blank spacer

Text Version

Region 1 | Region 2 | Region 3 | Region 4 | Region 5 | Region 6 | Region 7 | Region 8 | Region 9 | Region 10 | Navajo Nation

Water System ID Search

Enter a Water System ID Number. All Water System ID numbers are nine characters in length, with the first two digits composed of the number of the EPA Region in which they are located. Then, click on the "Search" button.