Infrastructure, Resilience, & Other Costs Are Pushing the Limits of Water Affordability
The US ’s drinking water systems have entered a new cost era. Communities are no longer facing just an asset‑replacement challenge. Communities are confronting a compounding set of cost drivers including aging infrastructure, regulatory compliance, climate and resilience investments, cybersecurity risks, rising operations and maintenance costs, and treating more complex water sources.
Over the next 25 years (2026–2050), total drinking water infrastructure needs are projected at $2.1–$2.4 trillion (2025 dollars), far exceeding earlier estimates that focused primarily on replacing buried pipes. These pressures represent a structural shift in the cost of providing safe, reliable drinking water, not a temporary spike.
If communities rely exclusively on revenue from water bills to close the funding gap, average annual household drinking water bills would rise 126% by 2050, without considering inflation.
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