
Potomac named most endangered river as sewage spill, data centers loom
News ClipBaltimore Sun·MD·4/18/2026
American Rivers has named the Potomac River as the nation's most endangered river. This designation is attributed to a massive sewage spill and the threat posed by data center growth. The expanding data center industry in the region is seen as a factor contributing to the river's vulnerability.
environmental
American Rivers named the Potomac the nation’s most endangered river, citing a massive sewage spill and data center growth.