An official website of the United States government.

EPA's 6th Drinking Water Infrastructure Needs Survey and Assessment

EPA's 6th Drinking Water Infrastructure Needs Survey and Assessment shows $472.6 billion is needed to maintain and improve the nation’s drinking water infrastructure over the next 20 years.

EPA’s assessment shows that improvements are primarily needed in:

  • Distribution and transmission: $312.6 billion to replace or refurbish aging or deteriorating pipelines
  • Treatment: $83 billion to construct, expand or rehabilitate infrastructure to reduce contamination
  • Storage: $47.6 billion to construct, rehabilitate or cover water storage reservoirs
  • Source: $21.8 billion to construct or rehabilitate intake structures, wells and spring collectors

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.