Official State of Iowa Website Here is how you know
Agencies A-Z Programs & Services

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

Charts
Count of PWS by FO and PWS Type Count of PWS by Primary Source Water and PWS Type Population Served by  Primary Source and PWS Type

Tables
Count of PWS by FO and PWS Type Count of PWS by Primary Source Water and PWS Type Population Served by  Primary Source and PWS Type

PWS Types

  • NTNC - Non Transient Non Community
  • NC - Transient Non Community
  • C - Community

Primary Source of Water

  • GU - Groundwater under the influence of surface water
  • GUP - Purchased groundwater under the influence of surface water
  • GW - Ground Water
  • GWP - Ground Water Purchased
  • SW - Surface Water
  • SWP - Surface Water Purchased


Data Source: SDWIS/Data as of Nov 2024

Data Source: SDWIS/Data as of Nov 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 Nov 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.



State of Iowa DNR Home Site Policy
Leading Iowans in caring for our natural resources
Version: 1.0.8.20111