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Water drips from a hole in the wall into a dirty grate. Rust coats the wallspace underneath the hole and the ground.
Corroded pipe in NYC Subway drips rusted water into a dirty grate. (Photo: Wikimedia Commons/aismallard)

Two reports estimate that billions of dollars are needed to repair the nation's water and sewage infrastructure.

2015

ENV
SANI
ECON
Corroded pipe in NYC Subway drips rusted water into a dirty grate. (Photo: Wikimedia Commons/aismallard)

The U.S. Environmental Protection Agency (EPA) estimates that $473 billion is needed for water infrastructure repair. The American Water Works Association (AWWA) estimates $1 trillion for the repair of both transmission and distribution lines.