Resources to Assess the Risk of Source Water Contamination

Source water is an important asset to consider under AWIA Risk and Resilience Assessments. The following resources can help community water systems assess the risk of source water contamination.

• Occurrence of Releases to Sources of Drinking Water (pdf) (4.87 MB, 2/01/2021, 817-R-21-001)
  Presents the methodology and findings from a study evaluating the occurrence of releases (i.e., spills) into sources of drinking water in the U.S. from 2010 through 2019.
• Inventory of Sites with the Potential to Release Contaminants to Sources of Drinking Water (pdf) (4.22 MB, 11/16/2023, EPA 817-R-23-001)
  Presents the methodology and findings from a ten-state inventory of sites with the potential to release contaminants to sources of drinking water.