SDWIS Federal Reporting Services

Welcome to the SDWIS Federal Reporting Services system. This system offers the capability to query the SFDW (SDWIS Federal Data Warehouse) via report filters and various reporting options.
To view a list of public water systems, search via the map by clicking on your state or directly by entering your state, city, town, county, or water system name.
Visit the SDWIS Federal Reporting Services Data Dictionary page for a list of descriptions and definitions for the reports, filters, and data fields found within this system.