Drinking Water Portal - Home

Welcome to the Iowa Drinking Water Data Portal.

The Iowa Drinking Water Data Portal provides the public with information regarding the Public Water Supply systems that serve drinking water throughout the state and the results of samples required by the Safe Drinking Water Act.

This portal also provides a tool for Public Water Supply systems to renew their Operation Permit using an online application process.
For more information about Iowa drinking water compliance program please visit - Iowa Drinking Water Compliance-Water Supply Operations
Pws Operation Permits Issued

PWS Operation Permits Issued in 2023: 1012

Source: Annual Compliance Report 2023