Federal Roadless Area Protections Provide Drinking Water to 25 Million Americans

A study published in the journal *PLOS Water* indicates that federal protections for national forest “roadless areas” provide clean drinking water to approximately 25 million Americans. The research establishes a connection between federal land conservation policies and the quality of river systems, demonstrating how upstream land-use decisions impact water sources located hundreds of miles away.

The analysis highlights that roughly 90% of the U.S. population relies on surface water sources that originate in or flow through forested landscapes. By restricting road construction and industrial development within these designated roadless areas, federal policy limits soil erosion and pollutant runoff that would otherwise enter the water supply. The researchers mapped these protected zones against downstream municipal water intake points to quantify the number of residents who benefit from the current land-management framework. These findings illustrate the geographic reach of forest conservation efforts and their role in the maintenance of public water infrastructure.

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Date: July 15, 2026

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GOAI