Skip to content

Safe Drinking Water Information System (SDWIS)

U.S. Environmental Protection Agency · Safety & environment

Published by
U.S. Environmental Protection Agency
Status on DatenUS
Live
Data as of 10/23/2026
License
Public domain

What this data covers

Safe Drinking Water Information System (SDWIS) is published by U.S. Environmental Protection Agency. DatenUS uses it for: Community water systems and drinking water violations by county. We load it on a schedule from the official source and show the date of the latest update on every page that uses it.

Official source: epa.gov

Where to see this data on DatenUS

Pages built from this source, by topic

Frequently asked questions

Is Safe Drinking Water Information System (SDWIS) data free to use?
Yes. Safe Drinking Water Information System (SDWIS) is a work of the U.S. government and is in the public domain. You can use it without a license; citing U.S. Environmental Protection Agency is good practice.
Who publishes Safe Drinking Water Information System (SDWIS)?
U.S. Environmental Protection Agency publishes it. The official page is https://www.epa.gov/ground-water-and-drinking-water/safe-drinking-water-information-system-sdwis-federal-reporting.
How current is Safe Drinking Water Information System (SDWIS) on DatenUS?
The latest data we loaded is as of 10/23/2026. We check the source on a schedule and update the pages that use it.
How should I cite this data?
Cite the original publisher: Safe Drinking Water Information System (SDWIS), U.S. Environmental Protection Agency, https://www.epa.gov/ground-water-and-drinking-water/safe-drinking-water-information-system-sdwis-federal-reporting. If you used a DatenUS page, you can add its URL as the place you viewed it.

Source: U.S. Environmental Protection Agency · Data as of 10/23/2026

Share: