Drinking Water Portal - Summary of Public Water Supply (PWS) Information



Data Source: SDWIS/Data as of Dec 2024

Data Source: SDWIS/Data as of Dec 2024

Note: A PWS can use any combination of water sources in its system. The PWS is classified by the source that is most vulnerable to contamination.
Surface water systems are the most vulnerable to contamination.

Data Source: SDWIS/Data as of Dec 2024

Note: A PWS can use any combination of water sources in its system. The PWS is classified by the source that is most vulnerable to contamination.
Surface water systems are the most vulnerable to contamination.