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

• EPA's 6th Drinking Water Infrastructure Needs Survey and Assessment (PDF)(76 pp, 3 MB, March 2018, EPA 816-K-17-002)